SI DIAMOND TECHNOLOGY INC
S-3MEF, 1996-11-07
GENERAL INDUSTRIAL MACHINERY & EQUIPMENT
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<PAGE>
 
   AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON NOVEMBER 7, 1996
 
                                                     REGISTRATION NO. 333-00674
 
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- -------------------------------------------------------------------------------
 
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
                                ---------------
 
                                POST-EFFECTIVE
                                AMENDMENT NO. 1
                                      TO
                                   FORM S-3
 
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
 
                          SI DIAMOND TECHNOLOGY, INC.
       (EXACT NAME OF SMALL BUSINESS ISSUER AS SPECIFIED IN ITS CHARTER)
 
           STATE OF TEXAS                            76-0273345
  (STATE OR OTHER JURISDICTION OF                 (I.R.S. EMPLOYER
   INCORPORATION OR ORGANIZATION)                IDENTIFICATION NO.)
 
                                                  DOUGLAS P. BAKER
                                         VICE PRESIDENT AND CHIEF FINANCIAL
                                                       OFFICER
    SI DIAMOND TECHNOLOGY, INC.              SI DIAMOND TECHNOLOGY, INC.
     12100 TECHNOLOGY BOULEVARD              12100 TECHNOLOGY BOULEVARD
        AUSTIN, TEXAS 78727                      AUSTIN, TEXAS 78727
           (512) 331-6200                          (512) 331-6200
 (ADDRESS, INCLUDING ZIP CODE, AND     (NAME, ADDRESS, INCLUDING ZIP CODE, AND
  TELEPHONE NUMBER, INCLUDING AREA     TELEPHONE NUMBER, INCLUDING AREA CODE,
  CODE, OF SMALL BUSINESS ISSUER'S              OF AGENT FOR SERVICE)
    PRINCIPAL EXECUTIVE OFFICES)
                                ---------------
 
                                  COPIES TO:
                                DONALD T. LOCKE
                            1300 POST OAK BOULEVARD
                                  SUITE 1750
                             HOUSTON, TEXAS 77056
 
  APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: From time
to time after this Registration Statement has been declared effective.
 
  If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the
following box. [_]
 
  If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or
interest reinvestment plans, check the following box. [X]
 
  If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, check the following box and
list the Securities Act registration statement number of earlier effective
registration statement for the same offering. [X]: Registration No. 333-00674
 
  If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. [_]
 
  If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. [_]
 
                        CALCULATION OF REGISTRATION FEE
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<TABLE>
<CAPTION>
                                                         PROPOSED MAXIMUM
 TITLE OF EACH CLASS OF                 PROPOSED MAXIMUM    AGGREGATE
       SECURITIES         AMOUNT TO BE   OFFERING PRICE      OFFERING        AMOUNT OF
    TO BE REGISTERED       REGISTERED     PER SHARE(3)       PRICE(3)     REGISTRATION FEE
 ----------------------  -------------- ---------------- ---------------- ----------------
<S>                      <C>            <C>              <C>              <C>
Common Stock Underlying
 Warrants...............   257,326(/1/)      $1.75            $450,321        $136.46
Common Stock Issuable
 Upon Conversion of
 Series E Preferred
 Stock.................. 1,635,300(/2/)      $1.75          $2,861,775        $867.20
- ------------------------------------------------------------------------------------------
</TABLE>
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(1) Amount represents an increase in the offering size from 1,006,538 shares
    to 1,263,864 shares, of which 1,006,538 shares were previously registered.
(2) Amount represents an increase in the offering size from 2,008,270 shares
    to 3,643,570 shares, of which 2,008,270 shares were previously registered.
(3) Estimated solely for the purpose of calculating the registration fee
    pursuant to Rule 457(c), based on the average of high and low sales prices
    per share of Common Stock as reported by the NASDAQ Small Cap Market on
    November 5, 1996.
 
  THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS
REGISTRATION STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH
SECTION 8(A) OF THE SECURITIES ACT OF 1933, OR UNTIL THE REGISTRATION
STATEMENT SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING
PURSUANT TO SAID SECTION 8(A) MAY DETERMINE.
 
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<PAGE>
 
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A         +
+REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE   +
+SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR MAY  +
+OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT        +
+BECOMES EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR   +
+THE SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE      +
+SECURITIES IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE    +
+UNLAWFUL PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF  +
+ANY SUCH STATE.                                                               +
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
                 SUBJECT TO COMPLETION, DATED NOVEMBER 7, 1996
 
PROSPECTUS
                          SI DIAMOND TECHNOLOGY, INC.
 
    2,335,322 SHARES OF                      135,000 SHARES OF
        COMMON STOCK                            COMMON STOCK
(PAR VALUE $.001 PER SHARE)                    ISSUABLE UPON
                                   CONVERSION OF SERIES C PREFERRED STOCK
 
    1,263,864 SHARES OF                     3,643,570 SHARES OF
        COMMON STOCK                            COMMON STOCK
    UNDERLYING WARRANTS                        ISSUABLE UPON
                                      CONVERSION OF SERIES E PREFERRED
                                                   STOCK
 
  This Prospectus relates to 7,377,756 shares (the "Shares") of Common Stock,
par value $.001 per share (the "Common Stock"), of SI Diamond Technology, Inc.,
a Texas corporation (the "Company"), which may be offered for sale by certain
shareholders of the Company (the "Selling Shareholders") from time to time. The
Shares offered for sale are: (1) presently outstanding, (2) underlie certain
existing warrants to purchase Common Stock (the "Warrants"), (3) are issuable
upon conversion of shares of the Company's Series C Preferred Stock underlying
certain existing preferred stock warrants (the "Series C Warrants") or (4) are
issuable upon conversion of outstanding shares of the Company's Series E
Preferred Stock. As of November 6, 1996, there were 2,335,322 outstanding
Shares of Common Stock, 1,263,864 Shares underlying the Warrants, 135,000
Shares issuable upon conversion of the Series C Preferred Stock underlying the
Series C Warrants, and 3,643,570 Shares issuable upon conversion of the Series
E Preferred Stock, which Shares are all subject to this Prospectus. See "Plan
of Distribution and Selling Shareholders." The Company's principal executive
offices are located at 12100 Technology Boulevard, Austin, Texas 78727 and its
telephone number is (512) 331-6200.
 
  This offering is not being underwritten. The Selling Shareholders directly,
through agents designated by them from time to time or through dealers or
underwriters also to be designated, may sell the Shares from time to time, in
or through privately negotiated transactions, or in one or more transactions,
including block transactions, on the NASDAQ Small Cap Market, the Boston Stock
Exchange or the Pacific Stock Exchange or on any stock exchange on which the
Shares may be listed in the future pursuant to and in accordance with the
applicable rules of such exchanges or otherwise. The selling price of the
Shares may be at market prices prevailing at the time of sale, at prices
related to such prevailing market prices or at negotiated prices. To the extent
required, the specific Shares to be sold, the names of the Selling
Shareholders, the respective purchase prices and public offering prices, the
names of any such agent, dealer or underwriter and any applicable commissions
or discounts with respect to a particular offer will be set forth in an
accompanying Prospectus Supplement. See "Plan of Distribution and Selling
Shareholders."
 
  The Company will receive the proceeds from the exercise of the Warrants and
the Series C Warrants, but will not receive any proceeds from the sale of the
Shares by the Selling Shareholders. The Company has agreed to pay substantially
all of the expenses of this offering (other than commissions and discounts of
underwriters, dealers or agents), which are estimated at $154,980. The Company
has agreed to indemnify certain of the Selling Shareholders against certain
civil liabilities, including liabilities under the Securities Act of 1933, as
amended (the "Securities Act"). See "Plan of Distribution and Selling
Shareholders."
 
  The Selling Shareholders and any broker-dealers, agents or underwriters that
participate with the Selling Shareholders in the distribution of any of the
Shares may be deemed to be "underwriters" within the meaning of the Securities
Act, and any commissions received by them and any profit on the resale of the
Shares purchased by them may be deemed to be underwriting commissions or
discounts under the Securities Act. See "Plan of Distribution and Selling
Shareholders."
 
  SEE "RISK FACTORS" BEGINNING ON PAGE 4 FOR A DISCUSSION OF CERTAIN FACTORS TO
BE CONSIDERED BY PROSPECTIVE PURCHASERS OF THE SHARES.
 
  The Common Stock is traded and quoted on the NASDAQ Small Cap Market under
the symbol "SIDT". On November 5, 1996, the closing price of the Common Stock
as reported on the NASDAQ Small Cap Market was $1.6875 per share.
                                  -----------
 
THESE SECURITIES  HAVE NOT BEEN APPROVED  OR DISAPPROVED BY THE  SECURITIES AND
 EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
 AND EXCHANGE  COMMISSION OR ANY  STATE SECURITIES COMMISSION PASSED  UPON THE
  ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY
  IS A CRIMINAL OFFENSE.
 
                                  -----------
 
               THE DATE OF THIS PROSPECTUS IS NOVEMBER   , 1996.
<PAGE>
 
  NO DEALER, SALESMAN OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS
PROSPECTUS AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION MUST NOT
BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY OR THE SELLING
SHAREHOLDERS. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE
HEREUNDER SHALL UNDER ANY CIRCUMSTANCES CREATE AN IMPLICATION THAT THERE HAS
BEEN NO CHANGE IN THE AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF. THIS
PROSPECTUS IS NOT AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO BUY ANY OF
THE SHARES OFFERED HEREBY IN ANY JURISDICTION WHERE SUCH OFFER OR SOLICITATION
WOULD BE UNLAWFUL.
 
                             AVAILABLE INFORMATION
 
  The Company has filed with the Securities and Exchange Commission (the
"Commission") a Registration Statement on Form S-3 and a post-effective
amendment thereto (collectively, the "Registration Statement") under the
Securities Act with respect to the securities offered hereby. This Prospectus
does not contain all the information set forth in the Registration Statement
and the exhibits and schedules thereto, to which reference is hereby made.
Statements made in this Prospectus as to the contents of any contract,
agreement or other document referred to are not necessarily complete; with
respect to each such contract, agreement or other document filed as an exhibit
to the Registration Statement, reference is made to the exhibit for a more
complete description of the matter involved, and each such statement shall be
deemed qualified in its entirety by such reference.
 
  The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and in accordance
therewith files reports, proxy statements and other information with the
Commission. Materials filed with the Commission by the Company can be inspected
and copied at the public reference facilities maintained by the Commission at
450 Fifth Street, N.W., Judiciary Plaza, Washington, D.C. 20549; and at the
Regional Offices of the Commission at the Northwestern Atrium Center, 500 West
Madison Street, Suite 1400, Chicago, Illinois 60606-2511; and Seven World Trade
Center, New York, New York 10048. Copies of such material can also be obtained
at prescribed rates from the Public Reference Section of the Commission at 450
Fifth Street, N.W., Judiciary Plaza, Washington, D.C. 20549.
 
  The Common Stock is included in the NASDAQ Small Cap Market under the symbol
"SIDT." Reports, proxy and information statements and other information
concerning the Company can be inspected at the National Association of
Securities Dealers, Inc., 1735 K Street, N.W., 3rd Floor, Washington, D.C.
20006.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
The following documents, which have been filed by the Company with the
Commission pursuant to the Exchange Act (File No. 1-11602), are incorporated by
reference in this Prospectus and shall be deemed to be a part hereof:
 
  (1) The Company's Annual Report on Form 10-KSB for the fiscal year ended
December 31, 1995;
 
  (2) The Company's Annual Report on Form 10-KSB/A for the fiscal year ended
      December 31, 1995, as filed on April 29, 1996;
 
  (3) The Company's Annual Report on Form 10-KSB/A for the fiscal year ended
      December 31, 1995, as filed on November 7, 1996;
 
  (4) The Company's Quarterly Report on Form 10-QSB for the fiscal quarter
ended March 31, 1996;
 
  (5) The Company's Quarterly Report on Form 10-QSB for the fiscal quarter
ended June 30, 1996;
 
  (6) The Company's Current Report on Form 8-K dated August 2, 1996;
 
  (7) The Company's Current Report on Form 8-K dated September 25, 1996; and
 
  (8) The Company's Current Report on Form 8-K dated October 30, 1996.
 
  All documents subsequently filed by the Company with the Commission pursuant
to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act prior to the
termination of the offering made by this Prospectus shall be deemed to be
incorporated herein by reference and to be a part hereof from the date of
filing such documents. Any statement contained in a document incorporated or
deemed to be incorporated by reference herein shall be deemed to be modified or
superseded for purposes of this Prospectus to the extent that a statement
contained herein or in any other subsequently filed document that also is or is
deemed to be incorporated by reference herein modifies or supersedes such
statement. Any such statement so modified or superseded shall not be deemed,
except as so modified or superseded, to constitute a part of this Prospectus.
 
  The Company hereby undertakes to provide without charge to each person to
whom a copy of this Prospectus has been delivered, upon written or oral request
of any such person, a copy of any or all of the documents referred to above
that have been incorporated by reference in this Prospectus (not including
exhibits to the documents that are incorporated by reference unless such
exhibits are specifically incorporated by reference into such documents).
Requests for such copies should be directed in writing or by telephone to SI
Diamond Technology, Inc., 12100 Technology Boulevard, Austin, Texas 78727,
Attention: Corporate Secretary (Telephone: (512) 331-6200).
 
                                       2
<PAGE>
 
                              RECENT DEVELOPMENTS
 
  During May 1996, the Company adopted a corporate reorganization plan to
reduce expenditures and streamline operations. Pursuant to this plan, the
Company has ceased operations of its subsidiary SIDT Coatings, Inc., which
provided industrial hard coating services, and sold a substantial portion of
the assets of this subsidiary.
 
  During the quarter ended June 30, 1996, the Company completed a Company-wide
reduction in work force as part of the reorganization plan, to reduce
operating costs. The reduction of approximately 45% of its employees, which
occurred primarily in June 1996, was 5% less than originally anticipated.
 
  Earlier this year, the Company announced it was considering the sale of the
Company's Diamond Tech One, Inc. ("DTO") subsidiary as part of a Company-wide
reorganization focusing on commercialization of the Company's field emission
products. After further consideration, the Company has determined that DTO has
the potential to be a leading force in the high density electronics assembly
industry and has decided to continue operating DTO. In addition, DTO will play
an important roll in meeting the Company's needs for advanced electronics,
bringing unique technology to the continuing development of its field emission
display and lamp products.
 
  Pursuant to an agreement between the Company and the remaining holders of
the Series E Preferred Stock (the "Series E Agreement") executed on September
25, 1996, the Company agreed to change the fixed conversion price for the
Series E Preferred Stock from $6.575 to $3.00, and the holders of the Series E
Preferred Stock agreed to (i) convert shares of Series E Preferred Stock into
an aggregate of approximately 300,000 additional shares of the Company's
Common Stock (the "Mandatory Conversion Amount") and (ii) not convert any
additional shares of the Series E Preferred Stock until October 31, 1996, with
the proviso that if the Company raised $1,000,000 in net proceeds from debt or
equity sources prior to such date, the holders shall not convert any Series E
Preferred Stock until January 15, 1997. As of October 31, 1996, the Company
had raised $1,000,000 in debt and had a credit facility in place for an
additional $500,000 line of credit. Since the Company raised these funds prior
to the October 31, 1996 deadline, the holders of the Series E Preferred Stock
have additionally agreed to only convert Series E Preferred Stock during the
period from and including January 15, 1997 to February 28, 1997 in an amount
equal to one-third of the shares held of record by each holder of Series E
Preferred Stock on September 16, 1996, less the pro rata portion of the
Mandatory Conversion Amount previously converted. The obligations of each
holder of Series E Preferred Stock pursuant to the Series E Agreement shall
cease and be of no further effect at any time after (i) the average closing
bid price of the Company's Common Stock exceeds $3.00 per share for five (5)
consecutive trading days or (ii) Marc W. Eller ceases to be employed by the
Company in substantially the same capacity as he occupied as of September 25,
1996.
 
                                       3
<PAGE>
 
                                 RISK FACTORS
 
  The Common Stock being offered hereby involves a high degree of risk.
Prospective investors should carefully consider the following risk factors in
addition to other information contained in this Prospectus in evaluating an
investment in the shares of Common Stock offered hereby.
 
EARLY STAGE OF DFEL AND DFED PRODUCT DEVELOPMENT; NO DFEL OR DFED PRODUCT
REVENUES; DFEL AND DFED PRODUCT UNCERTAINTY
 
  The Company's Diamond Based Field Emission Lamp ("DFEL") and "Diamond Based
Field Emission Display ("DFED") and related products will require significant
additional development, engineering, testing and investment prior to
commercialization. There can be no assurance that the DFEL or DFED, the
Company's leading products, will be successfully developed, be capable of
being produced in commercial quantities on a cost-effective basis or be
successfully marketed.
 
HISTORY OF OPERATING LOSSES; GOING CONCERN
 
  For the six months ended June 30, 1996, the Company suffered a net loss of
$10,139,563. For the years ended December 31, 1992, 1993, 1994 and 1995, the
Company suffered net losses of $1,630,978, $7,527,677, $7,255,420, and
$14,389,856, respectively. The Company expects to continue to incur additional
operating losses, at least through 1997, as it continues to develop products
for commercialization. The Company's independent auditors have included an
explanatory paragraph in their report on the Company's financial statements
stating that as of November 6, 1996, the Company has not yet achieved
profitability, has a working capital deficit and must obtain additional
capital to fund its ongoing operations. As a result, there is substantial
doubt about the Company's ability to continue as a going concern. There can be
no assurance that the Company will be profitable in the future. The Company's
operations to date have been primarily financed by the proceeds of the sale of
equity securities of the Company and from revenues generated from research and
development conducted for third parties, although since the second quarter of
1994, revenues from product sales have exceeded those earned through such
research and development ("R&D") activities. In order to continue its
transition from a contract research and development organization into a
company with viable operations, the Company anticipates substantial product
development expenditures for the foreseeable future.
 
FUTURE CAPITAL NEEDS AND UNCERTAINTY OF ADDITIONAL FUNDING
 
  The Company expects to incur substantial expenses for R&D, product testing,
product marketing and administrative overhead. The total amount budgeted for
R&D for the year ending December 31, 1996 was $8.7 million, which represents
the same level of expenditure as for the year ended December 31, 1995. It is
currently expected that expenditures will be less than budgeted. The majority
of R&D expenditures are for development of the Company's DFED and DFEL.
Further, the Company believes that certain proposed products may not be
available for commercial sale or routine use for a period of one to two years.
Therefore, it is anticipated that the commercialization of the Company's
existing and proposed products will require additional capital in excess of
the Company's other current sources of funding. The combined effect of the
foregoing may prevent the Company from achieving profitability for an extended
period of time. Because the timing and receipt of revenues from the sale of
products will be tied to the achievement of certain product development,
testing and marketing objectives which cannot be predicted with certainty,
there may be substantial fluctuations in the Company's results of operations.
If revenues do not increase as rapidly as anticipated, or if product
development and testing and marketing require more funding than anticipated,
the Company may be required to curtail its expansion and/or seek additional
financing from other sources. The Company may seek such additional financing
through the offer of debt or equity, joint venture financing, or any
combination thereof at any time.
 
  The Company has developed a plan to maintain operations for approximately
twelve (12) months after the date of this Registration Statement. However,
existing resources at current spending levels are only available for five (5)
months. This estimate is based on current development plans, the current
regulatory environment,
 
                                       4
<PAGE>
 
historical experience in the development of electronic products and general
economic conditions. Changes could occur to cause available resources to be
consumed before such time. If adequate funds are not available from operations
or additional sources of financing, the Company may have to reduce
substantially or eliminate expenditures for research and development, testing
and production of its products or obtain funds through arrangements with other
entities that may require the Company to relinquish rights to certain of its
technologies or products. Such results would materially and adversely affect
the Company.
 
DEPENDENCE ON PRINCIPAL PRODUCTS
 
  The Company's DFEL, DFED and related products are emerging technologies. The
financial condition and prospects of the Company are dependent upon market
acceptance and sales of the Company's DFEL and DFED in the next two years.
Additional R&D needs to be conducted with the DFEL and the DFED before
marketing and sales efforts can be commenced. Market acceptance of the
Company's DFEL and DFED will be dependent upon the perception within the
electronics and instrumentation industries of the efficiency, breadth of
application and cost-effectiveness of such products. There can be no assurance
that the Company will be able to gain commercial market acceptance for its DFEL
or DFED or develop other products for commercial use.
 
COMPETITION; POSSIBLE TECHNOLOGICAL OBSOLESCENCE
 
  The display and semiconductor industries are highly competitive and are
characterized by rapid technological change. The Company's existing and
proposed products will compete with other existing products and may compete
against other developing technologies. Development by others of new or improved
products, processes or technologies may reduce the size of potential markets
for the Company's products. There can be no assurance that such products,
processes or technologies will not render the Company's proposed products
obsolete or less competitive. Many of the Company's competitors have greater
financial, managerial and technical resources than the Company. The Company
will be required to devote substantial financial resources and effort to
further R&D. There can be no assurance that the Company will successfully
differentiate its products from its competitors' products or that the Company
will be able to adapt to evolving markets and technologies, develop new
products or achieve and maintain technological advantages.
 
TECHNOLOGIES SUBJECT TO LICENSES
 
  As a licensee of certain research technologies, the Company has various
license agreements with Philips Components B.V., Microelectronics and Computer
Technology Corporation ("MCC"), The University of Texas at Dallas and
Diagascrown, Inc., wherein the Company has acquired rights to develop and
commercialize certain research technologies. In certain cases, agreements
require the Company to pay royalties on sale of products developed from the
licensed technologies and fees on revenues from sublicensees, where applicable,
and to pay for the costs of filing and prosecuting patent applications. The
Company's principal license agreement with MCC requires the Company to pay
exclusivity fees under certain circumstances in order to maintain the Company's
exclusive rights under the MCC Agreement. The Company's license agreement with
the University of Texas at Dallas requires the Company to pay annual license
maintenance fees. Each agreement is subject to termination by either party,
upon notice, in the event of certain defaults by the other party. The payment
of such royalties may adversely affect the future profitability of the Company.
 
NO ASSURANCE OF MARKET ACCEPTANCE
 
  The present management of the Company has limited experience in manufacturing
and marketing. Since its inception, the Company has focused its product
development efforts on R&D of technologies that the Company believes will be a
significant advance over currently available technologies. With any new
technology there is a risk that the market may not appreciate the benefits or
recognize the potential applications of the technology. Market acceptance of
the Company's products will depend, in part, on the Company's ability to
convince potential customers of the advantages of such products as compared to
competitive products, and will also depend upon the Company's ability to train
manufacturers and others to use the Company's products. There can be no
assurance that the Company will be able to successfully market its proposed
products even if such products perform as anticipated.
 
                                       5
<PAGE>
 
LIMITED MANUFACTURING CAPACITY AND EXPERIENCE
 
  The Company has no established commercial display and lamp manufacturing
facilities and the present management has limited commercial manufacturing and
marketing experience. Accordingly, the Company will be required to either
employ qualified personnel to establish manufacturing facilities or enter into
appropriate manufacturing agreements with others. There is no assurance that
the Company will be successful in attracting experienced personnel or financing
the cost of establishing commercial manufacturing facilities, if required, or
be capable of producing a high quality product in quantity for sale at
competitive prices.
 
MARKETING AND SALES UNCERTAINTIES
 
  There can be no assurance that the DFEL, DFED and related products will be
successfully developed or that such products will be commercially successful.
The Company intends to establish a sales organization to promote, market, and
sell its products. To develop a sales organization will require significant
additional expenditures, management resources and training time. There can be
no assurance that the Company will be able to establish such a sales
organization.
 
UNPROVEN TECHNOLOGY; NEED FOR SYSTEM INTEGRATION
 
  In order to prove that the Company's technologies work and will produce a
complete product, the Company must ordinarily integrate a number of highly
technical and complicated subsystems into a fully-integrated prototype. There
can be no assurance that the Company will be able to successfully complete the
development work on any of its proposed products or ultimately develop any
marketable products.
 
DEPENDENCE UPON GOVERNMENT CONTRACTS
 
  A significant portion of the Company's revenues has been derived from
contracts with agencies of the United States government. In the years ended
December 31, 1992, 1993, 1994 and 1995 and for the six months ended June 30,
1996, such contracts accounted for approximately $930,000, $1,147,000,
$820,000, $1,009,000 and $1,478,000, respectively, or approximately 99%, 89%,
41%, 33% and 51% of the Company's total revenues for each of those periods. The
Company's contracts involving the United States government are or may be
subject to various risks, including unilateral termination for the convenience
of the government, reduction or modification in the event of changes in the
government's requirements or budgetary constraints, increased or unexpected
costs causing losses or reduced profits under fixed-price contracts or
unallowable costs under cost reimbursement contracts, risks of potential
disclosure of the Company's confidential information to third parties, the
failure or inability of the prime contractor to perform its prime contract in
circumstances where the Company is a subcontractor, the failure of the
government to exercise options provided for in the contracts and the exercise
of "march-in" rights by the government. March-in rights refer to the right of
the government or government agency to exercise a non-exclusive, royalty-free,
irrevocable, worldwide license to any technology developed under contracts
funded by the government if the contractor fails to continue to develop the
technology. The programs in which the Company participates may extend for
several years but are normally funded on an annual basis. There can be no
assurance that the government will continue its commitment to programs to which
the Company's development projects are applicable or that the Company can
compete successfully to obtain funding available pursuant to such programs. A
reduction in, or discontinuance of, such commitment or of the Company's
participation in these programs would have a material adverse effect on the
Company's business, operating results and financial condition.
 
PATENTS AND OTHER INTELLECTUAL PROPERTY
 
  The Company's ability to compete effectively with other companies will
depend, in part, on the ability of the Company to maintain the proprietary
nature of its technology. Although the Company has been awarded, has filed
applications for or has been licensed technology under numerous patents, there
can be no assurance as to the degree of protection offered by these patents or
as to the likelihood that pending patents will be issued. There can be no
assurance that competitors in both the United States and foreign countries,
many of which have substantially greater resources and have made substantial
investments in competing technologies, have not already or will not apply for
and obtain patents that will prevent, limit or interfere with the Company's
ability to
 
                                       6
<PAGE>
 
make and sell its products. There can also be no assurance that competitors
will not intentionally or unintentionally infringe the Company's patents. The
defense and prosecution of patent suits are both costly and time-consuming,
even if the outcome is favorable to the Company. In foreign countries, the
expenses associated with such proceedings can be prohibitive. In addition,
there is an inherent unpredictability in obtaining and enforcing patents in
foreign countries. An adverse outcome in the defense of a patent suit could
subject the Company to significant liabilities to third parties, require
disputed rights to be licensed from third parties or require the Company to
cease selling its products. Although third parties have not asserted
infringement claims against the Company, there can be no assurance that third
parties will not assert such claims in the future. Claims that the Company's
products infringe on the proprietary rights of others are more likely to be
asserted after commencement of commercial sales incorporating the Company's
technology. The Company also relies on unpatented proprietary technology, and
there can be no assurance that others may not independently develop the same
or similar technology or otherwise obtain access to the Company's proprietary
technology. To protect its rights in these areas, the Company requires all
employees and most consultants, advisors and collaborators to enter into
confidentiality agreements. There can be no assurance that these agreements
will provide meaningful protection for the Company's trade secrets, know-how
or other proprietary information in the event of any unauthorized use,
misappropriation or disclosure of such trade secrets, know-how or other
proprietary information. While the Company has attempted to protect
proprietary technology it may develop or acquire and will attempt to protect
future developed proprietary technology through patents, copyrights and trade
secrets, it believes that its success will depend more upon further innovation
and technological expertise.
 
AVAILABILITY OF MATERIALS AND DEPENDENCE ON SUPPLIES
 
  It is anticipated that materials to be used by the Company in producing its
future products will be purchased by the Company from outside vendors and, in
certain circumstances, the Company may be required to bear the risk of
material price fluctuations. It is anticipated by the Company's management
that the majority of raw materials to be used in products to be manufactured
by the Company will be readily available. However, there can be no assurance
that such materials will be available in the future or if available will be
procurable at prices which will be favorable to the Company.
 
DEPENDENCE ON KEY PERSONNEL
 
  The future success of the Company will depend in large part on its ability
to attract and retain highly qualified scientific, technical and managerial
personnel. Competition for such personnel is intense and there can be no
assurance that the Company will be able to attract and retain all personnel
necessary for the development of its business. In addition, much of the know-
how and processes developed by the Company reside in its key scientific and
technical personnel and such know-how and processes are not readily
transferable to other scientific and technical personnel. The loss of the
services of key scientific, technical and managerial personnel could have a
material adverse effect on the Company.
 
CONCENTRATION OF OWNERSHIP
 
  Officers, directors and principal shareholders of the Company own, or have
the power to vote, in the aggregate, approximately 29% of the voting stock of
the Company. Due to the relatively large number of shares owned by these
shareholders and certain provisions of the Company's Amended and Restated
Articles of Incorporation ("the Restated Articles") and Bylaws, it may be
difficult for other shareholders to cause a change in control of the Company
or effect other fundamental corporate transactions if officers, directors and
principal shareholders were to act as a group.
 
VOLATILITY OF MARKET FOR SHARES
 
  The market price of the Shares, like that of the common stock of many
emerging technology companies has fluctuated significantly in recent years and
will likely continue to fluctuate in the future. The price of such
 
                                       7
<PAGE>
 
securities currently rises and is expected to continue to rise rapidly in
response to certain events, such as announcements concerning product
developments, licenses and patents, although the outcome of such events may
not be fully determined. Similarly, prices of such securities may fall rapidly
if unfavorable results are encountered in product development or market
acceptance. In the event that the Company achieves earnings from the sale of
products, securities analysts may begin predicting quarterly earnings. The
failure of the Company's earnings to meet analysts' expectations could result
in a significant rapid decline in the market price of the Company's Common
Stock. In addition, the stock market has experienced and continues to
experience extreme price and volume fluctuations which have affected the
market price of the equity securities of many technology companies and which
have often been unrelated to the operating performance of those companies.
Such broad market fluctuations, as well as general economic and political
conditions, may adversely affect the market price of the Common Stock.
 
SHARES ELIGIBLE FOR FUTURE SALE
 
  As of November 6, 1996, there were 13,125,083 shares of Common Stock
outstanding, of which 8,522,661 shares of Common Stock were freely tradeable
without restriction or further registration under the Securities Act by
persons other than "affiliates" of the Company. As of that date, the remaining
shares of Common Stock were deemed "restricted securities," as defined in Rule
144 under the Securities Act, and may not be resold in the absence of
registration under the Securities Act or pursuant to an exemption from such
registration, including exemptions provided by Rule 144 under the Securities
Act. Under Rule 144, persons who have held securities for a period of at least
two years may sell a limited amount of such securities without registration
under the Act. Rule 144 also permits, under certain circumstances, persons who
are not affiliates of the Company, to sell their restricted securities without
quantity limitations once they have completed a three-year holding period.
 
  The Registration Statement, of which this Prospectus is a part, pertains to
2,335,322 Shares of Common Stock which are currently "restricted securities";
1,263,864 Shares of Common Stock which underlie existing Warrants; 135,000
Shares of Common Stock which are issuable upon conversion of the Series C
Preferred Stock; and 3,643,570 Shares of Common Stock which are issuable upon
conversion of the Series E Preferred Stock. The Company is obligated to
maintain the effectiveness of the Registration Statement for varying periods
of time, pursuant to separate agreements with certain groups of the Selling
Shareholders. As of November 6, 1996, the Company is additionally obligated to
register an additional 5,845,441 shares of its Common Stock (4,000,311 of
which are additional shares of the Company's Common Stock issuable upon
conversion of the remaining Series E Preferred Stock), which are currently
"restricted securities," in certain circumstances.
 
  In addition to the shares of Common Stock which are outstanding as of
November 6, 1996, 3,500,000 shares of Common Stock have been reserved for
issuance pursuant to the Company's stock option plans. 1,761,559 shares of
Common Stock have also been reserved for issuance upon the exercise of
Warrants that have been issued by the Company (1,263,864 of such shares have
been registered in the Registration Statement). Additionally, 100,275 shares
of Common Stock have been reserved for issuance upon conversion of the
Company's Series A Preferred Stock, 750,000 shares of Common Stock have been
reserved for issuance upon conversion of the Series C Preferred Stock
underlying the Series C Warrants (the "Series C Shares") (135,000 of such
shares have been registered in the Registration Statement) and 3,643,570
shares of Common Stock have been reserved for issuance upon conversion of the
Company's Series E Preferred Stock (the "Series E Shares").
 
  No prediction can be made as to the effect, if any, that future sales, or
the availability of shares of Common Stock for future sales, will have on the
market price prevailing from time to time. Sales of substantial amounts of
Common Stock by the Company or by shareholders who hold "restricted
securities," or the perception that such sales may occur, could adversely
affect prevailing market prices for the Common Stock.
 
POSSIBLE ADVERSE EFFECT OF SALES BY SELLING SHAREHOLDERS ON THE MARKET FOR AND
THE PRICE OF THE COMMON STOCK
 
  Upon registration in accordance with its obligations, the Selling
Shareholders will be permitted to sell up to 7,377,756 shares of Common Stock
(of which 1,263,864 are Shares of Common Stock subject to issuance upon
 
                                       8
<PAGE>
 
the exercise of certain Warrants; 135,000 are Shares of Common Stock issuable
upon conversion of the Series C Shares underlying the Series C Warrants; and
3,643,570 are Shares of Common Stock issuable upon conversion of the Series E
Shares). The Shares (assuming the exercise of all Warrants and conversion of
all the Series C Shares and Series E Shares subject to the Registration
Statement) represent approximately 46% of the shares of Common Stock
outstanding on the date hereof. The Company will not receive any proceeds from
sales of Shares held by such Selling Shareholders. The Company will receive
the proceeds from the exercise of any Warrants to purchase Shares of Common
Stock or the exercise of any Series C Warrants to purchase shares of the
Company's Series C Preferred Stock (which are convertible into Common Stock).
Assuming the exercise of all Warrants and Series C Warrants which are subject
to the Registration Statement of which this Prospectus is a part, the Company
would receive approximately $5,600,000 from such exercises. The exercise
prices of the Warrants and the Series C Warrants range from $1.00 to $7.89 per
share of the Company's Common Stock. It is unlikely that the Warrants or the
Series C Warrants will be exercised until the trading price of the Common
Stock exceeds the exercise price of the Warrants or the Series C Warrants, if
at all.
 
  Sales of or offers to sell substantial blocks of Common Stock currently held
by certain shareholders, or the perception by investors, investment
professionals or securities analysts of the possibility that such sales may
occur, could adversely affect the price of and market for the Common Stock.
 
PRIOR AND SUPERIOR RIGHTS OF OTHER CLASSES OF CAPITAL STOCK
 
  The rights of holders of the Common Stock to receive dividends or other
payments with respect thereto are subject to any prior and superior rights of
holders of the Company's Preferred Stock. As of November 6, 1996, the Company
had issued and outstanding 100 shares of its Series A Preferred Stock and 649
shares of its Series E Preferred Stock. Additionally, the Company has
authorized 75,000 shares of Series C Preferred Stock and 90,000 shares of
Series D Preferred Stock. No shares of Series C Preferred Stock or Series D
Preferred Stock are currently outstanding; however, Series C Warrants are
outstanding to purchase 75,000 shares of Series C Preferred Stock. No current
series of the Company's Preferred Stock has rights that are prior and superior
to the Common Stock with respect to dividends. Additionally, only the holders
of the Series A Preferred Stock and Series E Preferred Stock are entitled to a
liquidation preference over the holders of the Common Stock. The Board of
Directors, however, has the authority to provide for the issuance of
additional shares of Preferred Stock in one or more additional series and such
shares may, in the Board's discretion, have prior and superior rights to
receive dividends or other payments with respect thereto. In light of its
future capital requirements, the Company could issue shares of Preferred Stock
at any time having such prior and superior rights. See "Description of Capital
Stock".
 
LACK OF DIVIDENDS
 
  The Company has never paid cash dividends on its equity securities and does
not intend to pay cash dividends in the foreseeable future. To the extent the
Company has earnings in the future, the Company intends to reinvest such
earnings in the business operations of the Company.
 
ANTITAKEOVER EFFECTS
 
  The Company's Restated Articles and Bylaws contain a number of provisions
which could make the acquisition of the Company, by means of an unsolicited
tender offer, a proxy contest or otherwise, more difficult. Among other
things, (i) the Board is authorized to issue series of Preferred Stock that
could, depending on the terms of such series, impede the completion of a
merger, tender offer or other takeover attempt; (ii) the Board of Directors is
divided into three classes of directors, with the result that approximately
one-third of the Board of Directors are elected each year; (iii) except in
limited circumstances, no shares of the Company's Preferred Stock may be
issued or sold to any officer or director of the Company or any shareholder
owning more than five percent (5%) of the Company's Common Stock without the
affirmative vote of a majority of the disinterested shareholders of the
Company; and (iv) holders of Series C and Series D Preferred Stock have the
right to acquire additional shares in certain circumstances where the voting
power of such holders would be diluted. See "Description of Capital Stock--
Certain Provisions of the Articles of Incorporation, Bylaws and Texas Law."
 
                                       9
<PAGE>
 
LIMITATION OF REMEDIES; INDEMNIFICATION
 
  The Company's Restated Articles provide that a director of the Company will
only be liable to the Company for (i) breaches of his duty of loyalty to the
Company and its shareholders, (ii) acts or omissions not in good faith or
which constitute a breach of duty of a director of the Company or involves
intentional misconduct or a knowing violation of law, (iii) transactions from
which a director receives an improper benefit, whether or not the benefit
resulted from an action taken within the scope of the director's office, (iv)
acts or omissions for which liability is specifically provided by statute, and
(v) acts relating to unlawful stock purchases or payments of dividends. Thus,
the Company may be prevented from recovering damages for certain alleged
errors or omissions by its directors. The Bylaws also provide that, under
certain circumstances, the Company will indemnify its officers and directors
for liabilities incurred in connection with their good faith acts for the
Company. Such an indemnification payment might deplete the Company's assets.
While Texas law permits a shareholder to bring a derivative action on behalf
of a corporation, the law relating to the remedies available to corporate
shareholders is constantly changing. Shareholders who have questions
concerning the fiduciary obligations of the officers and directors of the
Company should consult with independent legal counsel. It is the position of
the Commission that exculpation from and indemnification for liabilities
arising under the Act and the rules and regulations thereunder is against
public policy and therefore unenforceable.
 
RISKS ASSOCIATED WITH FORWARD LOOKING STATEMENTS
 
  This Prospectus contains certain forward-looking statements within the
meaning of Section 27A of the Securities Act of 1933, and Section 21E of the
Securities Exchange Act of 1934, as amended, which are intended to be covered
by the safe harbors created thereby. Investors are cautioned that all forward-
looking statements involve risks and uncertainty, including without
limitation, the uncertainty of additional funding, the development of other
technologies, the ability of the Company to acquire manufacturing facilities
and marketing and sales expertise, the ability of the Company to attract and
retain highly qualified personnel, as well as general market conditions and
the degree and nature of competition. Although the Company believes that the
assumptions underlying the forward-looking statements contained herein are
reasonable, any of the assumptions could be inaccurate, and therefore, there
can be no assurance that the forward-looking statements included in this
Prospectus will prove to be accurate. In light of the significant
uncertainties inherent in the forward-looking statements included herein, the
inclusion of such information should not be regarded as a representation by
the Company or any other person that the objectives and plans of the Company
will be achieved.
 
                                      10
<PAGE>
 
                                USE OF PROCEEDS
 
  The Selling Shareholders will receive all of the net proceeds from the sale
of the Shares. The Company will not receive any of the proceeds from the sale
of the Shares by the Selling Shareholders. The Company will receive the
proceeds from the exercise of the Warrants and the Series C Warrants, which
proceeds will be used for working capital. See "Plan of Distribution and
Selling Shareholders." Assuming the exercise of all Warrants and Series C
Warrants which are subject to the Registration Statement, of which this
Prospectus is a part, the Company shall receive approximately $5,600,000 upon
such exercise. The exercise prices of the Warrants and the Series C Warrants
range from $1.00 to $7.89 per share of the Company's Common Stock. It is
unlikely that the Warrants or the Series C Warrants will be exercised until
the trading price of the Common Stock exceeds the exercise price of the
Warrants or the Series C Warrants, if at all.
 
                 PLAN OF DISTRIBUTION AND SELLING SHAREHOLDERS
 
GENERAL
 
  The Company is filing the Registration Statement, of which this Prospectus
is a part, to permit transactions with respect to certain shares of the
Company's Common Stock, which are (1) currently "restricted securities" held
by the Selling Shareholders, (2) issuable upon exercise of certain outstanding
Warrants to purchase shares of the Company's Common Stock, (3) issuable upon
conversion of shares of the Company's Series C Preferred Stock underlying
certain Series C Warrants or (4) issuable upon conversion of outstanding
shares of the Company's Series E Preferred Stock. This offering is not being
underwritten. The Selling Shareholders directly, through agents designated
from time to time, or through dealers or underwriters also to be designated,
may sell the Shares from time to time, in or through privately negotiated
transactions, or in one or more transactions, including block transactions, on
the NASDAQ Small Cap Market, the Boston Stock Exchange, the Pacific Stock
Exchange or on any stock exchanges on which the Shares may be listed in the
future pursuant to and in accordance with the applicable rules of such
exchanges. The selling price of the Shares may be at market prices prevailing
at the time of sale, at prices relating to such prevailing market prices or at
negotiated prices. Further, the Selling Shareholders are not restricted as to
the number of shares which may be sold at any one time, and it is possible
that a significant number of shares could be sold at the same time, which may
have a depressive effect on the market price of the Company's Common Stock.
 
  To the extent required by applicable law, the specific Shares to be sold,
the names of the Selling Shareholders, the respective purchase prices and
public offering prices, the names of any such agent, dealer or underwriters,
and any applicable commissions or discounts with respect to a particular offer
will be set forth in an accompanying Prospectus. Resales or reoffers of the
Shares by the Selling Shareholders must be accompanied by the delivery of a
copy of this Prospectus. Copies of this Prospectus shall be delivered to each
Selling Shareholder after the Registration Statement, of which this Prospectus
is a part, is declared effective. Each Selling Shareholder shall also be
informed that the anti-manipulative rules under the Exchange Act (Rules 10b-6
and 10b-7) may apply to their sales in the market, and each Selling
Shareholder shall also be sent a copy of Rules 10b-6 and 10b-7, as well as a
copy of the Commission's Release No. 34-23611 which discusses these rules and
their application in certain circumstances, with a copy of this Prospectus.
 
  The Selling Shareholders and any underwriters, dealers or agents that
participate in the distribution of the Shares may be deemed to be
underwriters, and any profit on the sale of the Shares by them and any
discounts, commissions or concessions received by any such underwriters,
dealers or agents might be deemed to be underwriting discounts and commissions
under the Securities Act. The Selling Shareholders may also sell such Shares
pursuant to Rule 144 promulgated under the Securities Act, or may pledge
shares as collateral for margin accounts, and such shares could be resold
pursuant to the terms of such accounts.
 
  There can be no assurance that the Selling Shareholders will sell any or all
of the Shares offered by them hereunder. The Company has filed the
Registration Statement of which this Prospectus forms a part to comply with
the exercise by the BEG Selling Shareholders, the Series E Selling
Shareholders, the MCC Selling Shareholders, the December 1995 Selling
Shareholders and the GH Selling Shareholders (each as defined below) of demand
registration rights granted to such Selling Shareholders, and to comply with
certain "piggy-back" registration rights granted to other Selling
Shareholders.
 
                                      11
<PAGE>
 
CONVERTIBLE DEBENTURE SELLING SHAREHOLDERS
 
  The Company issued its 10% Convertible Subordinated Debentures ("Convertible
Debentures") in October, November and December 1992 in exempt transactions to
those shareholders identified in the Selling Shareholders Table herein as the
Convertible Debenture Selling Shareholders (the "Convertible Debenture Selling
Shareholders"). The Convertible Debentures were all converted into Shares of
the Company's Common Stock. The Convertible Debenture Selling Shareholders
were given "piggy-back" registration rights pursuant to which the Company
agreed to use its best efforts to have the Common Stock issuable upon the
conversion of the Convertible Debentures included in the Registration
Statement and to cause such Registration Statement to become effective as soon
as practicable.
 
DEBENTURE WARRANT SELLING SHAREHOLDERS
 
  In December 1992, the Company issued its 10% Subordinated Debentures in an
exempt transaction. In connection with such issuance, those shareholders
identified in the Selling Shareholders Table herein as the Debenture Warrant
Selling Shareholders (the "Debenture Warrant Selling Shareholders") were
issued Warrants that gave them the right to purchase Shares of the Company's
Common Stock. All of these Warrants have been exercised for Shares of the
Company's Common Stock. The holders of these Warrants were given "piggy-back"
registration rights pursuant to which the Company agreed to use its best
efforts to have the Common Stock issuable upon the exercise of these Warrants
included in and registered in the Registration Statement and to cause such
Registration Statement to become effective as soon as practicable.
 
  Greg Morey, one of the Debenture Warrant Selling Shareholders, is an
affiliate of GH Securities Ltd. ("GH"). GH has been utilized by the Company at
various times within the past three (3) years in its capital raising
activities.
 
IPO WARRANT SELLING SHAREHOLDERS
 
  In the Company's initial public offering (the "IPO") completed in February
1993, the Company issued a total of 100,000 Warrants to purchase shares of the
Company's Common Stock as part of the underwriter's compensation to the
persons identified in the Selling Shareholders Table as the IPO Warrant
Selling Shareholders (the "IPO Warrant Selling Shareholders"). Pursuant to the
terms of these Warrants, the Company agreed to give notice of its intention to
file certain registration statements to such holders and give them an
opportunity to be included in such registration statements. The number of
Shares of Common Stock underlying the Warrants issued in such IPO are included
in the Registration Statement, and the Company agreed to pay all expenses in
the preparation of the Registration Statement (other than commissions and
discounts of any underwriters, dealers or agents). The Company also agreed to
indemnify the IPO Warrant Selling Shareholders and any underwriters they
utilize against certain civil liabilities, including liabilities arising under
the Securities Act.
 
  All of the IPO Warrant Selling Shareholders have been utilized within the
past three (3) years by the Company in its capital raising activities.
 
AUGUST 1993 SELLING SHAREHOLDERS
 
  In August 1993, the Company issued shares of its Common Stock in an exempt
offering under Regulation D of the Securities Act to those shareholders
identified in the Selling Shareholders Table as the August 1993 Selling
Shareholders (the "August 1993 Selling Shareholders"). Each August 1993
Selling Shareholder was also issued one (1) Warrant for every two (2) shares
of Common Stock that were purchased in this transaction. The holders of these
Shares and Warrants were granted "piggy-back" registration rights in which the
Company agreed to have the Common Stock held by the August 1993 Selling
Shareholders, as well as the Common Stock underlying their Warrants, included
in the Registration Statement and to cause such Registration Statement to
become effective as soon as practicable.
 
                                      12
<PAGE>
 
EAST/WEST SELLING SHAREHOLDERS
 
  In February 1995, the shareholders identified in the Selling Shareholders
Table as the East/West Selling Shareholders (the "East/West Selling
Shareholders") acquired shares of Common Stock as well as Series C Warrants to
acquire shares of the Company's Series C Preferred Stock, which are further
convertible into shares of the Company's Common Stock. The Company granted
"piggy-back" registration rights to the East/West Selling Shareholders with
respect to such Shares in the event of the registration of any of the
Company's equity securities, except in certain circumstances, and agreed to
keep any such registration with respect to the East/West Selling Shareholders
effective for a period of at least six months. Additionally, the Company
agreed to pay all of the expenses incident to the preparation and filing of
the Registration Statement (other than commissions and discounts of any
underwriters, dealers or agents). The Company also agreed to indemnify the
East/West Selling Shareholders and any underwriters they may utilize against
certain civil liabilities, including liabilities arising under the Securities
Act. In addition, each East/West Selling Shareholder agreed to indemnify the
Company against certain civil liabilities, including liabilities under the
Securities Act, with respect to written information furnished by the East/West
Selling Shareholders to the Company.
 
  East/West Technology Partners, Ltd., an East/West Selling Shareholder, and
its representatives, have assisted the Company in the past three years in its
capital raising activities.
 
BEG SELLING SHAREHOLDERS
 
  Effective June 20, 1995, the shareholders identified in the Selling
Shareholders Table as the BEG Selling Shareholders (the "BEG Selling
Shareholders") acquired shares of the Company's Common Stock in an exempt
transaction. Pursuant to the Subscription Agreement and Purchaser
Questionnaires with respect to such transactions, the Company was required to
file the Registration Statement with respect to the Common Stock acquired by
the BEG Selling Shareholders and keep such Registration Statement effective
for a period of three (3) years. The number of Shares of Common Stock
underlying certain Warrants issued to the BEG Selling Shareholders are also
included in the Registration Statement, of which this Prospectus is a part.
The Company agreed to pay all of the expenses in the preparation of the
Registration Statement (other than commissions and discounts of any
underwriters, dealers or agents). The Company also agreed to indemnify the BEG
Selling Shareholders and any underwriters they utilize against certain civil
liabilities, including liabilities arising under the Securities Act. In
addition, each BEG Selling Shareholder agreed to indemnify the Company against
certain civil liabilities, including liabilities under the Securities Act,
with respect to written information furnished by the BEG Selling Shareholders
to the Company.
 
  Marc W. Eller became a director of the Company on November 15, 1995 and the
Company's Chairman of the Board and Chief Executive Officer on July 26, 1996.
Mr. Eller is also the vice-president and chairman of the board of BEG
Enterprises, Inc., a BEG Selling Shareholder which has assisted the Company
within the past three years in its capital raising activities. Ronald J.
Berman, the president of BEG Enterprises, Inc. is also a director of the
Company. In addition, Lawrence I. Kravetz, one of the BEG Selling
Shareholders, has assisted the Company within the past three (3) years with
its capital raising activities.
 
MCC SELLING SHAREHOLDER
 
  On October 17, 1995, the Company issued Microelectronics and Computer
Technology Corporation ("MCC") 223,256 shares of the Common Stock of the
Company (the "MCC Shares") in payment of an exchangeable note arising in
connection with Amendment No. 2 to the Patent and Know-How Cross-License
Agreement between MCC and the Company dated January 19, 1995. The Company also
issued Warrants on January 19, 1996 to MCC (the "MCC Warrants") to purchase
22,326 shares of the Company's Common Stock. The Company agreed to register
the MCC Shares and the shares underlying the MCC Warrants upon demand and to
keep such registration statement effective for a period of three years. The
MCC Shares and the shares underlying the MCC Warrants are included in the
Registration Statement. The Company is required to pay all of the expenses in
the preparation of the Registration Statement (other than commissions and
discounts of any underwriters, dealers or agents).
 
                                      13
<PAGE>
 
THE DECEMBER 1995 SELLING SHAREHOLDERS
 
  Effective December 1995, the shareholders identified in the Selling
Shareholders Table as the December 1995 Selling Shareholders (the "December
1995 Selling Shareholders") acquired shares of the Company's Common Stock in
an exempt transaction. Upon demand by the December 1995 Selling Shareholders,
the Company was required to file the Registration Statement with respect to
the Shares acquired by such Selling Shareholders and keep such Registration
Statement effective for a period of three (3) years. The number of shares of
Common Stock underlying certain Warrants issued to the December 1995 Selling
Shareholders are also included in the Registration Statement, of which this
Prospectus is a part. The Company agreed to pay all of the expenses in the
preparation of the Registration Statement (other than commissions and
discounts of any underwriters, dealers or agents). The Company also agreed to
indemnify the December 1995 Selling Shareholders and any underwriters they
utilize against certain civil liabilities, including liabilities arising under
the Securities Act.
 
SERIES E SELLING SHAREHOLDERS
 
  Effective in January 1996, the shareholders listed in the Selling
Shareholders Table as the Series E Selling Shareholders (the "Series E Selling
Shareholders") acquired shares of the Company's Series E Preferred Stock in an
exempt transaction. In connection with such transaction, the Company
additionally issued warrants to several individuals connected with Swartz
Investments, Inc. to purchase shares of the Company's Common Stock (the
"Swartz Warrants"). Swartz Investments, Inc., assisted the Company as
placement agent for the Series E Preferred Stock.
 
  Subject to adjustment in certain circumstances, each share of Series E
Preferred Stock is convertible into that number of shares of Common Stock
determined by dividing (i) the original issue price of the Series E Preferred
Stock (the "Issue Price") plus an amount equal to 8% of the Issue Price per
annum from the date the escrow agent first had in its possession the funds
representing payment of the Series E Preferred Stock to the conversion date by
(ii) the conversion price, which is the lesser of $3.00 or 85% of the average
closing bid price for the Company's Common Stock for the five trading days
immediately preceding the conversion date. Any shares of Series E Preferred
Stock outstanding on January 15, 1999 shall be automatically converted into
the Company's Common Stock on such date.
 
  Pursuant to the terms of an agreement between the Company and the remaining
holders of the Series E Preferred Stock (the "Series E Agreement") in which
the Company agreed to change the fixed conversion price for the Series E
Preferred Stock from $6.575 to $3.00, the holders of the Series E Preferred
Stock agreed to (i) convert shares of Series E Preferred Stock into an
aggregate of approximately 300,000 shares of the Company's Common Stock (the
"Mandatory Conversion Amount") and (ii) not convert any additional shares of
the Series E Preferred Stock until October 31, 1996, with the proviso that if
the Company raised $1,000,000 in net proceeds from debt or equity sources
prior to such date, the holders shall not convert any Series E Preferred Stock
until January 15, 1997. As of October 31, 1996 the Company had raised
$1,000,000 in debt and had a credit facility in place for an additional
$500,000 line of credit. Since the Company raised these funds prior to the
October 31, 1996 deadline, the holders of the Series E Preferred Stock have
additionally agreed to only convert Series E Preferred Stock during the period
from and including January 15, 1997 to February 28, 1997 in an amount equal to
one-third of the shares held of record by each holder of Series E Preferred
Stock on September 16, 1996, less the pro rata portion of the Mandatory
Conversion Amount previously converted. The obligations of each holder of
Series E Preferred Stock pursuant to the Series E Agreement shall cease and be
of no further effect at any time after (i) the average closing bid price of
the Company's Common Stock exceeds $3.00 per share for five (5) consecutive
trading days or (ii) Marc W. Eller ceases to be employed by the Company in
substantially the same capacity as he occupied as of September 25, 1996.
 
  Upon the conversion of the Series E Preferred Stock, the Company will
account for the difference between the conversion price and the trading price
on the conversion date as a preferred stock dividend. Assuming the conversion
had taken place on January 1, 1996, the Company would have recognized a
preferred stock dividend of approximately $1.3 million, which would have
resulted in a net loss per common share of $(1.12) for the six months ended
June 30, 1996.
 
                                      14
<PAGE>
 
  The Company agreed at the time of sale of the Series E Preferred Stock to
register pursuant to the Registration Statement the shares of Common Stock (i)
issuable upon conversion of the Series E Preferred Stock as determined at the
time of such registration and (ii) upon exercise of the Swartz Warrants, and
to keep such Registration Statement effective until sixty (60) days after all
shares of Series E Preferred Stock shall have been converted. Additionally,
the Company agreed to pay all of the expenses incident to the preparation and
filing of the Registration Statement (other than commissions and discounts of
any underwriters, dealers or agents). The Company also agreed to indemnify the
Series E Selling Shareholders and any underwriters they may utilize against
certain civil liabilities, including liabilities arising under the Securities
Act. In addition, each Series E Selling Shareholder agreed to indemnify the
Company against certain civil liabilities, including liabilities under the
Securities Act, with respect to written information furnished by the Series E
Selling Shareholders to the Company.
 
GH SELLING SHAREHOLDERS
 
  GH Securities, Ltd. ("GH") was issued 219,149 Warrants in connection with
the Company's offerings under Regulation S of the Securities Act in August,
September, October and November 1993. In February 1996, these 219,149 Warrants
were repriced and reissued to GH. Also in February 1996, the Company issued GH
150,000 Warrants in connection with a Regulation S offering by the Company in
September 1994 and an additional 60,000 Warrants for the termination of
certain contractual obligations arising out of the Company's initial public
offering in early 1993. The Company also issued 55,000 Warrants in February
1996 to a former advisor of the Company. In connection with these transactions
of the Company in February 1996, the Shareholders identified in the Selling
Shareholders Table as the GH Selling Shareholders (the "GH Selling
Shareholders") entered into a Rights Agreement in which the Company gave
demand registration rights to the GH Selling Shareholders. The Company agreed
to use its best efforts to file the Registration Statement, of which this
Prospectus is a part, with respect to the Shares and the Shares underlying
certain Warrants held by the GH Selling Shareholders and to cause such
Registration Statement to become effective and remain effective for a period
of three (3) years. The Company agreed to pay all of the expenses in the
preparation for the Registration Statement (other than commissions and
discounts of any underwriters, dealers or agents). The Company also agreed to
indemnify the GH Selling Shareholders and any underwriters they utilized
against certain civil liabilities, including liabilities arising under the
Securities Act. In addition, each GH Selling Shareholder agreed to indemnify
the Company against certain civil liabilities, including liabilities under the
Securities Act, with respect to written information furnished by the GH
Selling Shareholders to the Company.
 
  GH and David M. Klausmeyer have assisted the Company within the past three
years with its capital raising activities. Mr. Klausmeyer has also served as a
Director and as a special advisor to the Board of Directors of the Company
within the past three years.
 
NOTE WARRANT SELLING SHAREHOLDERS
 
  As of October 31, 1996, Diamond Tech One, Inc. ("DTO"), a wholly owned
subsidiary of the Company, borrowed a total of $1,000,000 from the persons or
entities identified in the Selling Shareholder Table as the Note Warrant
Selling Shareholders (the "Note Warrant Selling Shareholders"). All of the
promissory notes made payable to the Note Warrant Selling Shareholders were
guaranteed by the Company. In addition, the Company granted Warrants to each
Note Warant Selling Shareholder to purchase 50,000 shares of the Company's
Common Stock at $1.00 per share at any time until June 1, 1998. These Warrants
were issued in an exempt transaction under Regulation D of the Securities Act.
 
  The Company also agreed that within 15 days of the issuance date of the
Warrants to the Note Warrant Selling Shareholders it would file a post-
effective amendment to the Registration Statement, of which this Prospectus is
a part, to include the shares of Common Stock underlying these Warrants. The
Company also agreed to keep such Registration Statement, as amended, effective
until June 1, 1998.
 
 
                                      15
<PAGE>
 
OTHER SELLING SHAREHOLDERS
 
  The Company has agreed to give Lawrence I. Kravetz, Columbus Asset
Management, Ltd. ("Columbus"), and Richard Nair and Katherine D. Banks "piggy-
back" registration rights regarding shares underlying certain Warrants held by
Mr. Kravetz (the "Kravetz Warrants"), Columbus (the "Columbus Warrants") and
Mr. Nair and Ms. Banks (the "Nair Warrants"). The Company has also agreed to
give "piggyback" registration rights to Peary Perry regarding Shares (the
"Perry Shares") held by him. Pursuant to these "piggy-back" rights, the
Company agreed to use its best efforts to have the Common Stock issuable upon
the exercise of the Kravetz Warrants, the Columbus Warrants, the Nair Warrants
and the Perry Shares included in the Registration Statement of which this
Prospectus is a part.
 
  Mr. Kravetz, Columbus and Mr. Nair have each assisted the Company within the
past three (3) years with its capital raising activities.
 
SELLING SHAREHOLDERS
 
  This Prospectus covers offers from time to time of the Shares of Common
Stock owned by the Selling Shareholders. Set forth below are the names of the
Selling Shareholders as well as (i) the number of Shares of Common Stock, (ii)
the number of Shares of Common Stock underlying existing Warrants, (iii) the
number of Shares of Common Stock issuable upon conversion of shares of the
Company's Series C Preferred Stock underlying the Series C Warrants, and (iv)
the number of Shares of Common Stock issuable on conversion of the Company's
Series E Preferred Stock held as of the date of this Prospectus by the Selling
Shareholders, which are also the numbers of Shares which may be offered for
sale by each Selling Shareholder from time to time pursuant to this
Prospectus. Because the Company does not know how many Shares may be sold by
the Selling Shareholders pursuant to this Prospectus, no estimate can be given
as to the number of the Shares that will be held by the Selling Shareholders
upon termination of this offering.
 
                          SELLING SHAREHOLDERS TABLE
 
<TABLE>
<CAPTION>
                                                            NUMBER OF SHARES
                                                            OF COMMON STOCK
                                                             ISSUABLE UPON
                                                             CONVERSION OF
                                                                SERIES C
                                           NUMBER OF SHARES PREFERRED STOCK
                          NUMBER OF SHARES OF COMMON STOCK    AND SERIES E
                          OF COMMON STOCK     UNDERLYING    PREFERRED STOCK  PERCENTAGE OF INTERESTS
                          HELD AND OFFERED WARRANTS OFFERED OFFERED PURSUANT PRIOR TO ANY SALES MADE
                          PURSUANT TO THIS PURSUANT TO THIS     TO THIS         PURSUANT TO THIS
      SHAREHOLDER            PROSPECTUS       PROSPECTUS     PROSPECTUS(1)        PROSPECTUS(2)
      -----------         ---------------- ---------------- ---------------- -----------------------
<S>                       <C>              <C>              <C>              <C>
CONVERTIBLE DEBENTURE
 SELLING SHAREHOLDERS
Robert G. Minor (3).....       31,500                                                    *
Chris Thollaug and
 Suzanne Stephanik......       50,038                                                    *
The Sunday School Board
 of the Southern Baptist
 Convention Retirement
 Plan...................       84,405                                                    *
DEBENTURE WARRANT
 SELLING SHAREHOLDERS
Gregory Morey...........       42,000                                                    *
Dusseldorf S.A..........       31,500                                                    *
IPO WARRANT SELLING
 SHAREHOLDERS
GH Securities, Ltd......                        45,000                                   *
Lawrence I. Kravetz.....                        30,000                                   *
Fritz Volker............                        15,000                                   *
Frank J. Ingersoll......                         9,000                                   *
George Dullnig & Co.....                         1,000                                   *
</TABLE>
 
                                      16
<PAGE>
 
<TABLE>
<CAPTION>
                                                            NUMBER OF SHARES
                                                            OF COMMON STOCK
                                                             ISSUABLE UPON
                                                             CONVERSION OF
                                                                SERIES C
                                           NUMBER OF SHARES PREFERRED STOCK
                          NUMBER OF SHARES OF COMMON STOCK    AND SERIES E
                          OF COMMON STOCK     UNDERLYING    PREFERRED STOCK  PERCENTAGE OF INTERESTS
                          HELD AND OFFERED WARRANTS OFFERED OFFERED PURSUANT PRIOR TO ANY SALES MADE
                          PURSUANT TO THIS PURSUANT TO THIS     TO THIS         PURSUANT TO THIS
      SHAREHOLDER            PROSPECTUS       PROSPECTUS     PROSPECTUS(1)        PROSPECTUS(2)
      -----------         ---------------- ---------------- ---------------- -----------------------
<S>                       <C>              <C>              <C>              <C>
AUGUST 1993 SELLING
 SHAREHOLDERS
How & Co................       15,000            7,500                                   *
Barry Kitt..............        8,000            4,000                                   *
Gilbert Kitt............        8,000            4,000                                   *
Barney Cacioppo.........        6,000            3,000                                   *
Peter and Ruth Medding..        5,000            2,500                                   *
Richard and Susan
 Goebel.................                         2,000                                   *
Richard and Mary
 Pulciani...............                         2,000                                   *
Albert Vivo.............        4,000            2,000                                   *
Rocky and Genevieve
 Dazzo..................        2,000            2,000                                   *
Ben Chilcutt............        4,000            2,000                                   *
Claus Fichte............        4,000            2,000                                   *
Ronald Cacioppo.........        2,000            1,000                                   *
James Cacioppo..........        2,000            1,000                                   *
John Church.............                         1,000                                   *
Argon Electric..........        2,000            1,000                                   *
Robert Watt.............                         1,000                                   *
Sheldon Solomon Trust...        2,000            1,000                                   *
Susan Oelsen............                         2,000                                   *
Suzanne Kibort..........        2,000            1,000                                   *
George and Emma
 Kienberger.............        2,000            1,000                                   *
Steven Tsengas..........        2,000            1,000                                   *
Malcolm Thomas..........        2,000            1,000                                   *
Bruce Sabel.............        2,000            1,000                                   *
Gary Wright.............                         1,000                                   *
Richard Browning Trust..        2,000            1,000                                   *
Richard Hutter..........                         1,000                                   *
L.P. David Orosz........        2,000            1,000                                   *
Ansford Party Ltd.......                         1,000                                   *
Ranleigh Party Ltd......                         1,000                                   *
EAST/WEST SELLING
 SHAREHOLDERS
East/West Technology
 Partners, Ltd..........      128,880                            77,250               1.56%
BDM Federal, Inc........      111,140                            42,750               1.17%
International Technology
 Exchange Corporation...       30,000                            15,000                  *
BEG SELLING SHAREHOLDERS
BEG Enterprises, Inc.
 (4)....................      627,593           62,760                                5.23%
Bernice Berman..........       41,841            4,185                                   *
Gloria Felsenthal.......        8,368              837                                   *
Kirk Gibson Revocable
 Trust..................       20,920            2,092                                   *
David Honigman..........      104,602           10,461                                   *
Norine H. Kielson Trust.       20,920            2,092                                   *
</TABLE>
 
                                       17
<PAGE>
 
<TABLE>
<CAPTION>
                                                            NUMBER OF SHARES
                                                            OF COMMON STOCK
                                                             ISSUABLE UPON
                                                             CONVERSION OF
                                                                SERIES C
                                           NUMBER OF SHARES PREFERRED STOCK
                          NUMBER OF SHARES OF COMMON STOCK    AND SERIES E
                          OF COMMON STOCK     UNDERLYING    PREFERRED STOCK  PERCENTAGE OF INTERESTS
                          HELD AND OFFERED WARRANTS OFFERED OFFERED PURSUANT PRIOR TO ANY SALES MADE
                          PURSUANT TO THIS PURSUANT TO THIS     TO THIS         PURSUANT TO THIS
      SHAREHOLDER            PROSPECTUS       PROSPECTUS     PROSPECTUS(1)        PROSPECTUS(2)
      -----------         ---------------- ---------------- ---------------- -----------------------
<S>                       <C>              <C>              <C>              <C>
RSP 3, L.P..............       12,552            1,255                                   *
Kaye Honigman Singer....       83,682            8,369                                   *
Robert A. Sprotte Money
 Purchase Plan..........       11,920            1,192                                   *
Robert A. Sprotte IRA...        4,500              450                                   *
Sherry L. Sprotte IRA...        4,500              450                                   *
VALASSIS Enterprises, L.
 P......................       52,301            5,230                                   *
Mark S. and Francis A.
 Wagner (5).............       52,301            5,230                                   *
Probitas Fund L.P.......       51,867                                                    *
Lawrence I. Kravetz.....                         5,187                                   *
MCC SELLING SHAREHOLDER
Microelectronics and
 Computer Technology
 Corporation............      223,256           22,326                                1.87%
DECEMBER 1995 SELLING
 SHAREHOLDERS
Voyager Atlantic
 Reinsurance, Ltd.......        3,000              300                                   *
Dr. Hal & Margaret
 Bozof..................        4,000              400                                   *
Gloria D. Freer.........        5,000              500                                   *
Gary and Cheryl Kaplan..        3,000              300                                   *
Dr. Alan P. Lightman....        4,000              400                                   *
Dr. David Lightman......        4,000              400                                   *
Combined Turner
 Children's Trust.......        3,000              300                                   *
RSP 3, L.P..............       76,200            7,620                                   *
Pinnacle Fund, L.P......      100,000           10,000                                   *
Michael S. Blechman.....       38,100                                                    *
Rock Financial
 Corporation............       47,619                                                    *
SERIES E SELLING
 SHAREHOLDERS
Leonardo, L.P...........                                        383,609               2.85%
Nelson Partners.........                                        491,586               3.66%
Olympus Securities,
 Ltd....................                                        419,015               3.12%
Canadian Imperial
 Holdings, Inc..........                                        101,086                  *
Gracechurch & Co........                                        216,011               1.63%
Amadeus Fund, L.P.......                                         13,645                  *
Amadeus Offshore Fund,
 Ltd....................                                         77,323                  *
Diversified Strategies
 Fund, L.P..............                                         22,742                  *
Raphael, L.P............                                        159,804               1.21%
West Merchant Bank
 Nominees Limited.......                                        110,293                  *
AG Super Fund Int'l
 Partners...............                                        160,868               1.22%
GAM L.P.................                                        110,044                  *
Kessler-Asher Group,
 Ltd....................                                        100,476                  *
LaRocque Trading Group
 LLC....................                                        187,955               1.43%
</TABLE>
 
                                       18
<PAGE>
 
<TABLE>
<CAPTION>
                                                            NUMBER OF SHARES
                                                            OF COMMON STOCK
                                                             ISSUABLE UPON
                                                             CONVERSION OF
                                                                SERIES C
                                           NUMBER OF SHARES PREFERRED STOCK
                          NUMBER OF SHARES OF COMMON STOCK    AND SERIES E
                          OF COMMON STOCK     UNDERLYING    PREFERRED STOCK  PERCENTAGE OF INTERESTS
                          HELD AND OFFERED WARRANTS OFFERED OFFERED PURSUANT PRIOR TO ANY SALES MADE
                          PURSUANT TO THIS PURSUANT TO THIS     TO THIS         PURSUANT TO THIS
      SHAREHOLDER            PROSPECTUS       PROSPECTUS     PROSPECTUS(1)        PROSPECTUS(2)
      -----------         ---------------- ---------------- ---------------- -----------------------
<S>                       <C>              <C>              <C>              <C>
Charles Kucey...........                                          67,567                 *
Cornerstone Capital,
 Inc....................                                         489,758              3.73%
NewSun Ltd..............                                         202,399              1.54%
OTA Limited Partnership.                                         109,364                 *
KA Trading L.P..........                                          85,294                 *
Capital Ventures
 International..........                                         134,731              1.03%
Eric S. Swartz..........                         55,702                                  *
Michael C. Kendrick.....                         55,702                                  *
P. Bradford Hathorn.....                          5,000                                  *
Lance T. Bury...........                          5,000                                  *
Dwight B. Bronnum.......                          1,500                                  *
Robert L. Hopkins.......                          1,500
Charles Krusen..........                          4,867                                  *
Enigma Investments
 Limited................                          1,521                                  *
David K. Peteler........                          3,000                                  *
S. Edward Bradford......                         11,000                                  *
GH SELLING SHAREHOLDERS
GH Securities, Ltd......       125,000          429,149                               4.09%
David M. Klausmeyer.....                         55,000                                  *
NOTE WARRANT SELLING
 SHAREHOLDERS
Pinnacle Fund L.P. .....                         50,000                                  *
Marc Samotny............                         50,000                                  *
Valassis Enterprises
 L.P. ..................                         50,000                                  *
N. Martin Co. ..........                         50,000                                  *
OTHER SELLING
 SHAREHOLDERS
Lawrence I. Kravetz.....                         75,587                                  *
Peary Perry.............        13,817                                                   *
Columbus Asset
 Management, Ltd........                         20,000                                  *
Richard Nair and
 Katherine D. Banks.....                         35,000                                  *
  TOTAL.................     2,335,322        1,263,864        3,778,570              46.2%
</TABLE>
- --------
 * Less than 1 %
(1) The number of Shares of Common Stock issuable upon conversion of the
    Series E Preferred Stock is subject to adjustment (upward or downward)
    based on fluctuations in the market price of the Common Stock. See
    "Description of Capital Stock--Preferred Stock--Series E Preferred Stock."
    The number of such Shares included in this Prospectus and in the table is
    the number of Shares into which the Series E Preferred Stock was
    convertible as of November 6, 1996.
(2) This percentage was calculated including Shares issuable upon the exercise
    of Warrants and conversion of Series C Preferred Stock and Series E
    Preferred Stock, as applicable, into shares of the Company's Common Stock.
    The Company is also obligated to register an additional 4,000,311 shares
    of Common Stock into which the Series E Preferred Stock is convertible
    (the "Unregistered Series E Shares") as of November 6,
 
                                      19
<PAGE>
 
    1996. If the Unregistered Series E Shares were included in the Registration
    Statement of which this Prospectus is a part, the total Common Stock
    ownership and percentage ownership of certain holders of Series E Preferred
    Stock would be as follows: Leonardo, L.P.--1,308,276 shares (9.10%); Nelson
    Partners--1,329,783 shares (9.32%); Olympus Securities, Ltd.--1,257,212
    shares (8.81%); Gracechurch & Co.--616,693 shares (4.51%); Raphael, L.P.--
    406,382 shares (3.02%); West Merchant Bank Nominees Limited--418,458 shares
    (3.09%); AG Super Fund Int'l Partners--345,801 shares (2.59%); GAM L.P.--
    338,124 shares (2.52%); LaRocque Trading Group LLC--218,767 shares (1.66%).
(3) Mr. Minor also owns an additional 6,213 shares of Common Stock purchased
    on the open market, which are not subject to this Prospectus.
(4) BEG Enterprises, Inc. also owns an additional 144,500 shares of the
    Company's Common Stock purchased on the open market, which are not subject
    to this Prospectus, and warrants to purchase another 127,794 shares of the
    Company's Common Stock, which are also not subject to this Prospectus.
    Ronald J. Berman, a director of the Company and the president of BEG
    Enterprises, Inc., also owns an additional 35,000 shares of the Company's
    Common Stock purchased on the open market, which are not subject to this
    Prospectus.
 
(5) Mark S. and Frances A. Wagner also own an additional 19,400 shares of the
    Company's Common Stock jointly; The Frances A. Wagner Trust also owns an
    additional 36,000 shares of the Company's Common Stock; and an additional
    10,875 shares of the Company's Common Stock are held by trusts for Mr. and
    Mrs. Wagner's minor children. All of the shares described in this footnote
    were purchased on the open market and are not subject to this Prospectus.
 
                         DESCRIPTION OF CAPITAL STOCK
 
  The authorized capital stock of the Company consists of 120,000,000 shares
of Common Stock, par value $.001 per share (the "Common Stock"), and 2,000,000
shares of Preferred Stock, par value $1 per share (the "Preferred Stock"). The
Preferred Stock may be issued in series and currently consists of (i) Series A
Convertible Preferred Stock, (ii) Series C Preferred Stock, (iii) Series D
Preferred Stock, and (iv) Series E Preferred Stock. At November 6, 1996,
13,125,083 shares of Common Stock, 100 shares of Series A Preferred Stock and
649 shares of Series E Preferred Stock were issued and outstanding. No shares
of Series C Preferred Stock or Series D Preferred Stock are currently
outstanding; however, Series C Warrants are outstanding to purchase 75,000
shares of Series C Preferred Stock. After giving effect to the conversion of
the Series A Preferred Stock into 100,275 shares of Common Stock, the
conversion of the Series C Preferred Stock underlying existing Series C
Warrants into 750,000 shares of Common Stock (135,000 of which are included in
the Registration Statement) and the conversion of the Series E Preferred Stock
into 3,643,570 shares of Common Stock, there would be 17,618,928 shares of
Common Stock issued and outstanding. Additionally, 1,761,559 shares of Common
Stock are reserved for issuance upon exercise of Warrants (including 1,263,804
Shares of Common Stock underlying certain Warrants included in this
Prospectus) that have been issued by the Company, and 3,500,000 shares are
reserved for issuance under the Company's stock option plans.
 
COMMON STOCK
 
  The holders of Common Stock are entitled to one vote per share, voting with
the holders of any other class of stock entitled to vote, without regard to
class, on all matters to be voted on by the shareholders, including the
election of directors. All issued and outstanding shares of Common Stock are
fully paid and nonassessable. The Common Stock is currently listed on the
Boston and Pacific Stock Exchanges and quoted on the NASDAQ Small Cap Market
("NASDAQ").
 
  Subject to any prior and superior rights of the Preferred Stock, the holders
of Common Stock are entitled to receive dividends when, and if, declared by
the Board of Directors from funds legally available therefor. Currently, no
series of Preferred Stock has rights that are prior and superior to the Common
Stock with respect to dividends.
 
  In the event of any liquidation, dissolution or winding up of the affairs of
the Company, the holders of the Common Stock are entitled to receive, pro
rata, any assets of the Company remaining after payment has been made in full
to the holders of any series of Preferred Stock with a liquidation preference.
Currently, only the holders of the Series A Preferred Stock and the Series E
Preferred Stock are entitled to a liquidation preference,
 
                                      20
<PAGE>
 
while the holders of Series C Preferred Stock and Series D Preferred Stock
have no priority over the holders of Common Stock with respect to liquidation
distributions.
 
PREFERRED STOCK
 
  The Preferred Stock may be issued from time to time in one or more series as
may be established and designated from time to time by the Board of Directors
by resolution. The voting powers, preferences and relative, participating,
optional and other special rights and the qualifications, limitations or
restrictions of any series of Preferred Stock shall be as is stated in the
resolution or resolutions of the Board of Directors that provides for the
designation of such series. With the exception of shares issued pursuant to
any duly adopted stock option plan of the Company, no shares of Preferred
Stock may be issued to any officer or director of the Company or any
shareholder who directly or indirectly owns greater than five percent (5%) of
the issued and outstanding voting stock of the Company or any affiliate of
such persons, without the affirmative vote of a majority in interest of the
disinterested shareholders of the Company. Under the Texas Business
Corporation Act, each series of Preferred Stock is entitled to vote as a class
with respect to a proposed amendment to the Company's Restated Articles of
Incorporation (the "Restated Articles") in certain circumstances.
 
 Series A Preferred Stock
 
  There are currently issued and outstanding 100 shares of the Series A
Preferred Stock, which is the total number currently authorized for issuance.
Each outstanding share of the Series A Preferred Stock is currently
convertible into 1002.75 shares of Common Stock, subject to adjustment in
certain circumstances. Except as otherwise required by law, the holders of the
Series A Preferred Stock are entitled to vote on all matters with the holders
of the Common Stock and are entitled to one vote for every share of Common
Stock into which the holders' Series A Preferred Stock is convertible. The
holders of Series A Preferred Stock have no preferential dividend rights and
are entitled to share in any dividends declared on the Common Stock based on
the number of shares of Common Stock into which the shares of Series A
Preferred Stock are convertible. In the event of voluntary or involuntary
liquidation, dissolution or winding up of the Company, the holders of the
Series A Preferred Stock are entitled to receive the liquidation price of
$1,000 per share before any distribution is made to the holders of Common
Stock or any other series of Preferred Stock ranking junior as to liquidation
rights as to the Series A Preferred Stock. Holders of Series A Preferred Stock
also are entitled to share equally in any liquidation distributions to the
holders of Common Stock based on the number of shares of Common Stock into
which the shares of Series A Preferred Stock are convertible. The Company has
no redemption rights or obligations with respect to the Series A Preferred
Stock. Without the consent of all holders of Series A Preferred Stock, the
Company may not alter any provision of (i) the Bylaws of the Company or (ii)
the Restated Articles so as to adversely affect the rights of the holders
thereof.
 
 Series C Preferred Stock
 
  There are currently no outstanding shares of the Series C Preferred Stock;
however, 75,000 shares are authorized for issuance pursuant to outstanding
Series C Warrants. Each share of Series C Preferred Stock is convertible into
ten (10) shares of Common Stock, subject to adjustment in certain
circumstances. Except as otherwise required by law, the holders of the Series
C Preferred Stock are entitled to vote on all matters with the holders of the
Common Stock and are entitled to one vote for every share of Common Stock into
which the holders' Series C Preferred Stock is convertible. In order to
maintain the voting power of the shares of Series C Preferred Stock, the
holders thereof are entitled to purchase additional shares of the Company's
voting securities upon the Company's issuance of additional shares of voting
securities in certain circumstances. See "--Certain Provisions of the Articles
of Incorporation, By-Laws and Texas Law." The holders of Series C Preferred
Stock have no preferential dividend rights and are entitled to share in any
dividends declared on the Common Stock based on the number of shares of Common
Stock into which the shares of Series C Preferred Stock are convertible.
Holders of Series C Preferred Stock have no preference with respect to any
distributions in the event of voluntary or involuntary liquidation,
dissolution or winding up of the Company, but are entitled to share equally
with the holders of the Common Stock based on the number of shares of Common
Stock into which the shares of Series C Preferred Stock are convertible. The
Company has no redemption rights or obligations with respect to the Series C
Preferred Stock. Without the mutual consent of the Board of Directors of
 
                                      21
<PAGE>
 
the Company and holders of not less than a majority of all outstanding shares
of Series C Preferred Stock, none of the rights of the holders of Series C
Preferred Stock may be altered.
 
 Series D Preferred Stock
 
  There are currently no outstanding shares of the Series D Preferred Stock;
however, 90,000 shares are authorized for issuance. Each share of Series D
Preferred Stock is convertible into ten (10) shares of Common Stock, subject
to adjustment in certain circumstances. Except as otherwise required by law,
the holders of the Series D Preferred Stock are entitled to vote on all
matters with the holders of the Common Stock and are entitled to one vote for
every share of Common Stock into which the holders' Series D Preferred Stock
is convertible. In order to maintain the voting power of the shares of Series
D Preferred Stock, the holders thereof are entitled to purchase additional
shares of the Company's voting securities upon the Company's issuance of
additional shares of voting securities in certain circumstances. See "--
Certain Provisions of the Articles of Incorporation, By-Laws and Texas Law."
The holders of Series D Preferred Stock have no preferential dividend rights
and are entitled to share in any dividends declared on the Common Stock based
on the number of shares of Common Stock into which the shares of Series D
Preferred Stock are convertible. Holders of Series D Preferred Stock have no
preference with respect to any distributions in the event of voluntary or
involuntary liquidation, dissolution or winding up of the Company, but are
entitled to share equally with the holders of the Common Stock based on the
number of shares of Common Stock into which the shares of Series C Preferred
Stock are convertible. The Company has no redemption rights or obligations
with respect to the Series D Preferred Stock. Without the mutual consent of
the Board of Directors of the Company and holders of not less than a majority
of all outstanding shares of Series D Preferred Stock, none of the rights of
the holders of Series D Preferred Stock may be altered.
 
 Series E Preferred Stock
 
  There are 1,500 shares of the Series E Preferred Stock currently authorized
for issuance, of which 649 shares are issued and outstanding. Subject to
adjustment in certain circumstances, each share of Series E Preferred Stock is
convertible into that number of shares of Common Stock determined by dividing
(i) the original issue price of the Series E Preferred Stock (the "Issue
Price") plus an amount equal to 8% of the Issue Price per annum from the date
the escrow agent first had in its possession the funds representing payment of
the Series E Preferred Stock to the conversion date by (ii) the conversion
price, which is the lesser of $3.00 or 85% of the average closing bid price
for the Company's Common Stock for the five trading days immediately preceding
the conversion date. Any shares of Series E Preferred Stock outstanding on
January 15, 1999 shall be automatically converted into Common Stock on such
date. In the event any shares of the Series E Preferred Stock are converted or
redeemed pursuant to their terms, the shares of Series E Preferred Stock so
converted or redeemed shall be canceled, shall return to the status of
authorized but unissued Preferred Stock of no designated series, and shall not
be issuable by the Company as Series E Preferred Stock.
 
  Except as otherwise required by law, the holders of the Series E Preferred
Stock are entitled to vote on all matters with the holders of Common Stock and
are entitled to one vote for every share of Common Stock into which the
holders' Series E Preferred Stock is convertible. In the event of any
voluntary or involuntary liquidation, dissolution or winding up of the
Company, the holders of the Series E Preferred Stock are entitled to receive
the liquidation price of $10,000 plus 8% per annum from the date of issuance,
before any distribution is made to the holders of Common Stock or any other
series of Preferred Stock ranking junior as to liquidation rights of the
Series E Preferred Stock. The holders of Series E Preferred Stock rights are
not entitled to receive dividends.
 
  In the event that at the time of a requested conversion by a holder of
Series E Preferred Stock, the conversion price is $3 or less per share, the
Company has the right to redeem all or part of the shares at a redemption
price per share equal to (i) the number of shares of Common Stock into which
each share is convertible times (ii) the closing bid price per share of the
Common Stock. The Company additionally has the right to redeem all or part of
the Series E Preferred Stock at any time, but in no event may redeem less than
 
                                      22
<PAGE>
 
$5,000,000 per redemption. In the event that the Company elects to effect such
a redemption, the redemption price per share of Series E Preferred Stock shall
be as follows:
 
<TABLE>
<CAPTION>
                               ELAPSED TIME SINCE LAST
       REDEMPTION PRICE                CLOSING
       ----------------     ------------------------------
      <S>                   <C>
      130% of Stated Value  90 days--6 months
      125% of Stated Value  6 months and 1 day--12 months
      120% of Stated Value  12 months and 1 day--18 months
      115% of Stated Value  18 months and 1 day--24 months
      110% of Stated Value  24 months and 1 day--30 months
      105% of Stated Value  30 months and 1 day--36 months
</TABLE>
 
  "Stated Value" is defined as the Issue Price of the Series E Preferred Stock
plus an amount equal to 8% of such price from the date of issuance. Without
the consent of the holders of not less than a majority of all outstanding
shares of Series E Preferred Stock, the Company may not (i) alter the rights
of the holders of Series E Preferred Stock, (ii) create any new class or
series of Preferred Stock with prior rights with respect to distributions or
(iii) do any act not authorized by the Company's Restated Articles which would
result in the taxation of the holders of Series E Preferred Stock under
Section 305 of the Internal Revenue Code of 1986, as amended.
 
SHARES ELIGIBLE FOR FUTURE SALE
 
  As of November 6, 1996, there were 13,125,083 shares of Common Stock
outstanding, of which 8,522,661 shares of Common Stock were freely tradeable
without restriction or further registration under the Securities Act by
persons other than "affiliates" of the Company. As of that date, the remaining
shares of Common Stock were deemed "restricted securities," as defined in Rule
144 under the Securities Act, and may not be resold in the absence of
registration under the Securities Act or pursuant to an exemption from such
registration, including exemptions provided by Rule 144 under the Securities
Act. Under Rule 144, persons who have held securities for a period of at least
two years may sell a limited amount of such securities without registration
under the Act. Rule 144 also permits, under certain circumstances, persons who
are not affiliates of the Company, to sell their restricted securities without
quantity limitations once they have completed a three-year holding period.
 
  The Registration Statement, of which this Prospectus is a part, pertains to
2,335,322 Shares of Common Stock which are currently "restricted securities";
1,263,864 Shares of Common Stock which underlie existing Warrants; 135,000
Shares of Common Stock which are issuable upon conversion of the Series C
Preferred Stock; and 3,643,570 Shares of Common Stock which are issuable upon
conversion of the Series E Preferred Stock. The Company is obligated to
maintain the effectiveness of the Registration Statement for varying periods
of time, pursuant to separate agreements with certain groups of the Selling
Shareholders. As of November 6, 1996, the Company is additionally obligated to
register an additional 5,845,441 shares of its Common Stock (4,000,311 of
which are additional shares of the Company's Common Stock issuable upon
conversion of the remaining Series E Preferred Stock), which are currently
"restricted securities," in certain circumstances.
 
  In addition to the shares of Common Stock which are outstanding as of
November 6, 1996, 3,500,000 shares of Common Stock have been reserved for
issuance pursuant to the Company's stock option plans. 1,761,559 shares of
Common Stock have also been reserved for issuance upon exercise of Warrants
that have been issued by the Company (1,263,864 of such shares have been
registered in the Registration Statement). Additionally, 100,275 shares of
Common Stock have been reserved for issuance upon conversion of the Company's
Series A Preferred Stock, 750,000 shares of Common Stock have been reserved
for issuance upon conversion of the Company's Series C Preferred Stock
(135,000 of which are included in the Registration Statement) underlying the
Series C Warrants and 3,643,570 shares of Common Stock have been reserved for
issuance upon conversion of the Series E Preferred Stock.
 
  No prediction can be made as to the effect, if any, that future sales, or
the availability of shares of Common Stock for future sales, will have on the
market price prevailing from time to time. Sales of substantial amounts
 
                                      23
<PAGE>
 
of Common Stock by the Company or by shareholders who hold "restricted
securities," or the perception that such sales may occur, could adversely
affect prevailing market prices for the Common Stock.
 
TRANSFER AGENT AND REGISTRAR
 
  The transfer agent and registrar for the Common Stock is American Securities
Transfer, Incorporated, 938 Quail Street, Suite 101, Lakewood, Colorado 80215.
 
CERTAIN PROVISIONS OF THE ARTICLES OF INCORPORATION, BY-LAWS AND TEXAS LAW
 
  The Company's Restated Articles currently contain provisions which could be
considered to have anti-takeover effects. First of all, the authorized and
unissued shares of the Company's Preferred Stock (the "Unissued Preferred
Stock") and Common Stock (the "Unissued Common Stocks") could be used by
incumbent management to make more difficult and thereby discourage an attempt
to acquire control of the Company, even though some shareholders may deem such
an acquisition desirable. For example, the shares of Unissued Preferred Stock
and Unissued Common Stock could be privately placed with purchasers who might
support the Board of Directors in opposing a hostile takeover bid. The issuance
of the Unissued Preferred Stock with voting rights and/or the Unissued Common
Stock could also be used to dilute the stock ownership and voting power of a
third party seeking to remove directors, replace incumbent directors,
accomplish certain business combinations, or alter, amend, or replace
provisions in the Company's Restated Articles. To the extent that it impedes
any such attempt, the Unissued Preferred Stock and Unissued Common Stock may
serve to perpetuate current management. From time to time, the Company
evaluates potential transactions and acquisitions, which if consummated, may
require the issuance of the Unissued Preferred Stock or Unissued Common Stock.
 
  The Company's Restated Articles require a classified Board of Directors
pursuant to which only one-third ( 1/3) of the Board of Directors is elected
each year for a term of three years. Therefore, even when a shareholder, or a
group of shareholders, has sufficient voting power to elect all of the
directors to be elected every year, the Company's classified Board could have
the effect of requiring two successive annual meetings to replace a majority of
the Board of Directors and three annual meetings to replace the entire Board of
Directors. There is no cumulative voting with respect to the election of
directors.
 
  The Company's Restated Articles also contain a provision which states that
with the sole exception of shares issued pursuant to the duly adopted stock
option plans of the Company, no shares of the Company's Preferred Stock shall
be issued or sold to any officer or director of the Company, or any shareholder
who directly or indirectly owns more than five percent (5%) of the issued and
outstanding voting stock of the Company, or any affiliate of such a person,
without the affirmative vote of a majority in interest of the disinterested
shareholders of the Company.
 
  The Company's Restated Articles also contain provisions for the Series C
Preferred and the Series D Preferred Stock concerning certain anti-dilution
rights. (None of the Series C Preferred or Series D Preferred is outstanding at
this time). These provisions state that if the aggregate percentage interest of
the holder of the Series C Preferred or the Series D Preferred of the Total
Voting Power of the Company (defined in the Restated Articles to mean the total
voting power of all voting stock of the Company entitled to vote at any meeting
of the shareholders of the Company) is or would be reduced as a result of an
issuance by the Company of such voting stock (including any issuance following
conversion of any security convertible into or exchangeable for voting stock or
upon the exercise of any option, warrant, or other right to acquire any voting
stock) the Company shall notify the holders of the Series C Preferred and
Series D Preferred promptly after establishing the material terms of such
proposed issuance. In such notices, the Company shall offer to sell to the
holders of the Series C Preferred and the Series D Preferred that number of
shares of voting stock which, if so purchased, would result in the retention by
the holders of the Series C Preferred and Series D Preferred of each of its
aggregate percentage interest in the Total Voting Power in effect immediately
prior to such proposed reduction of its aggregate interest.
 
                                       24
<PAGE>
 
If such offer is accepted by the Series C Preferred holders or the Series D
Preferred holders within thirty (30) days following receipt of such notice,
the Company shall sell such shares to the holders of the Series C Preferred or
the Series D Preferred at a purchase price determined as provided in the
appropriate provisions of the Series C Preferred and the Series D Preferred in
the Restated Articles.
 
  The Company shall not be obligated to deliver notices or offer voting stock
for sale pursuant to these provisions in respect of the following issuances of
voting stock: (a) pursuant to employee, director or consultant stock option,
purchase, bonus, exchange or other such plans or upon the exercise of options
or other rights granted thereunder, and (b) in connection with transactions in
which shares of voting stock are issued to security holders of a company being
acquired by the Company or to a company some or all of whose assets are being
acquired by the Company.
 
  The Restated Articles limit the liability of directors of the Company in
their capacity as directors. Specifically, the directors of the Company will
not be liable to the Company or its shareholders for monetary damages for an
act or omission in a director's capacity as a director, except for liability
(i) for any breach of the director's duty of loyalty to the Company or its
shareholders, (ii) for any act or omission not in good faith which constitutes
a breach of duty of the director to the Company or acts or omissions which
involve intentional misconduct or a knowing violation of the law, (iii) for
transactions from which a director received an improper benefit, whether or
not the benefit resulted from an action taken within the scope of the
director's office, (iv) for an act or omission for which the liability of a
director is expressly provided for by an applicable statute, or (v) for acts
related to an unlawful stock repurchase or payment of a dividend.
 
  The overall effect of the provisions in the Company's current Restated
Articles described above would be to make more difficult or discourage a
merger, tender, offer or proxy contest, even if such transaction or occurrence
generally is favorable to the interests of the shareholders, or they may delay
or frustrate the assumption of control by a holder of a large block of the
Company's securities and the removal of incumbent management, even if such
removal may be beneficial to the shareholders.
 
                                    EXPERTS
 
  The consolidated balance sheets of the Company as of December 31, 1995 and
1994 and the consolidated statements of operations, stockholders' equity and
cash flows for each of the two years in the period ended December 31, 1995,
included in the Company's Annual Report on Form 10-KSB/A, which are
incorporated into this Prospectus by reference, have been audited by Coopers &
Lybrand L.L.P., independent accountants, as indicated in their report
appearing therein, which refers to uncertainty regarding the ability of the
Company to continue as a going concern, and are incorporated by reference
herein in reliance on the authority of said firm as experts in accounting and
auditing.
 
                                LEGAL OPINIONS
 
  Certain legal matters in connection with the Common Stock offered hereby
have been passed upon for the Company by Donald T. Locke.
 
                                      25
<PAGE>
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
  NO DEALER, SALESMAN OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS
PROSPECTUS AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION MUST NOT
BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY OR THE SELLING
SHAREHOLDERS. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE
HEREUNDER SHALL UNDER ANY CIRCUMSTANCES CREATE AN IMPLICATION THAT THERE HAS
BEEN NO CHANGE IN THE AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF. THIS
PROSPECTUS IS NOT AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO BUY ANY OF
THE SHARES OFFERED HEREBY IN ANY JURISDICTION WHERE SUCH OFFER OR SOLICITATION
WOULD BE UNLAWFUL.
 
                               ----------------
 
                               TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Available Information......................................................   2
Incorporation of Certain Documents by Reference............................   2
Recent Developments........................................................   3
Risk Factors...............................................................   4
Use of Proceeds............................................................  11
Plan of Distribution and Selling Shareholders..............................  11
Description of Capital Stock...............................................  20
Experts....................................................................  25
Legal Opinions.............................................................  25
</TABLE>
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
 
                                  SI DIAMOND
                                  TECHNOLOGY,
                                     INC.
 
                              [LOGO APPEARS HERE]
 
 
                               2,335,322 SHARES
                                      OF
                                 COMMON STOCK
                          (PAR VALUE $.001 PER SHARE)
 
                               1,263,864 SHARES
                                      OF
                                 COMMON STOCK
                              UNDERLYING WARRANTS
 
 
                                135,000 SHARES
                                      OF
                                 COMMON STOCK
                                 ISSUABLE UPON
                            CONVERSION OF SERIES C
                                PREFERRED STOCK
                              UNDERLYING WARRANTS
 
                               3,643,570 SHARES
                                      OF
                                 COMMON STOCK
                                 ISSUABLE UPON
                            CONVERSION OF SERIES E
                                PREFERRED STOCK
 
                               ----------------
 
                                  PROSPECTUS
 
                               ----------------
 
                               NOVEMBER   , 1996
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
<PAGE>
 
                                    PART II
 
                    INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
 
  The estimated fees and expenses payable in connection with this offering,
all of which are payable by the Company, are as follows:
 
<TABLE>
      <S>                                                           <C>
      Securities and Exchange Commission registration fee.......... $ 14,480.66
      Printing and engraving expenses..............................    7,000.00
      Legal fees and expenses......................................   80,000.00
      Accounting fees and expenses.................................   45,000.00
      Blue sky fees and expenses...................................    3,500.00
      Miscellaneous................................................    5,000.00
                                                                    -----------
        Total...................................................... $154,980.66
                                                                    ===========
</TABLE>
 
ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS
 
  Article 2.02A(16) and Article 2.01-1 of the Texas Business Corporation Act
and Article VIII of the Company's Bylaws provide the Company with broad powers
and authority to indemnify its directors and officers and to purchase and
maintain insurance for such purposes. Pursuant to such statutory and Bylaw
provisions, the Company has purchased insurance against certain costs of
indemnification that may be incurred by it and its officers and directors. See
"Item 17. Undertakings" for a description of the Securities and Exchange
Commission's position regarding such indemnification provisions.
 
  Additionally, Article Seven(C) of the Company's Restated Articles, provides
that a director of the Company is not liable to the Company or its
shareholders for monetary damages for any act or omission in the director's
capacity as director except that Article Seven(C) does not eliminate or limit
the liability of a director for (i) breaches of his duty of loyalty to the
Company and its shareholders, (ii) acts or omissions not in good faith or
which constitute a breach of duty of a director of the Company or involves
intentional misconduct or a knowing violation of law, (iii) transactions from
which a director receives an improper benefit, whether or not the benefit
resulted from an action taken within the scope of the director's office, (iv)
acts or omissions for which liability is specifically provided by statute, and
(v) acts relating to unlawful stock purchases or payments of dividends.
 
  Article Seven (C) also provides that any subsequent amendments to Texas
statutes that further limit the liability of directors will inure to the
benefit of the directors, without any further action by shareholders. Any
repeal or modification of Article Seven (C) shall not adversely affect any
right of protection of a director of the Company existing at the time of the
repeal or modification.
 
  The foregoing discussion is not intended to be exhaustive and is qualified
in its entirety by each of such documents and such statutes.
 
ITEM 16. EXHIBITS
 
  See Index to Exhibits on page II-4 for a descriptive response to this item.
 
ITEM 17. UNDERTAKINGS
 
  (a) The undersigned registrant hereby undertakes:
 
    (1) To file, during any period in which offers or sales are being made, a
  posteffective amendment to this Registration Statement:
 
      (i) To include any prospectus required by section 10(a)(3) of the
    Securities Act of 1933;
 
                                     II-1
<PAGE>
 
      (ii) To reflect in the prospectus any facts or events arising after
    the effective date of the Registration Statement (or the most recent
    post-effective amendment thereof) which, individually or in the
    aggregate, represent a fundamental change in the information set forth
    in the Registration Statement. Notwithstanding the forgoing, any
    increase or decrease in volume of securities offered (if the total
    dollar value of securities offered would not exceed that which was
    registered) and any deviation from the low or high end of the estimated
    maximum offering range may be reflected in the form of prospectus filed
    with the Commission pursuant to Rule 424(b) if, in the aggregate, the
    changes in the volume and price represent no more than a 20% change in
    the maximum aggregate offering price set forth in the "Calculation of
    Registration Fee" table in the effective registration statement.
 
      (iii) To include any material information with respect to the plan of
    distribution not previously disclosed in the Registration Statement or
    any material change to such information in the Registration Statement.
 
Provided, however, that paragraphs (a)(l)(i) and (a)(l)(ii) do not apply if
the registration statement is on Form S-3 or Form S-8, and the information
required to be included in a post-effective amendment by those paragraphs is
contained in periodic reports filed by the registrant pursuant to section 13
or section 15(d) of the Securities Exchange Act of 1934 that are incorporated
by reference in the Registration Statement.
 
    (2) That, for the purpose of determining any liability under the
  Securities Act of 1933, each such post-effective amendment shall be deemed
  to be a new registration statement relating to the securities offered
  therein, and the offering of such securities at that time shall be deemed
  to be the initial bona fide offering thereof.
 
    (3) To remove from registration by means of a post-effective amendment
  any of the securities being registered which remain unsold at the
  termination of the offering.
 
  (b) The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
registrant's annual report pursuant to section 13(a) or section 15(d) of the
Securities Exchange Act of 1934 (and, where applicable, each filing of an
employee benefit plan's annual report pursuant to section 15(d) of the
Securities Exchange Act of 1934) that is incorporated by reference in the
registration statement shall be deemed to be a new registration statement
relating to the securities offered therein, and the offering of such
securities at that time shall be deemed to be the initial bona fide offering
thereof.
 
  (c) Insofar as indemnification for liabilities arising under the Securities
Act of 1933 may be permitted to directors, officers and controlling persons of
the registrant pursuant to the foregoing provisions, or otherwise, the
registrant has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the
Act and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the
registrant of expenses incurred or paid by a director, officer or controlling
person of the registrant in the successful defense of any action, suit or
proceeding) is asserted by such director, officer or controlling person in
connection with the securities being registered, the registrant will, unless
in the opinion of its counsel the matter has been settled by controlling
precedent, submit to a court of appropriate jurisdiction the question whether
such indemnification by it is against public policy as expressed in the Act
and will be governed by the final adjudication of such issue.
 
                                     II-2
<PAGE>
 
                                  SIGNATURES
 
  PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, THE REGISTRANT
CERTIFIES THAT IT HAS REASONABLE GROUNDS TO BELIEVE THAT IT MEETS THE
REQUIREMENTS FOR FILING ON FORM S-3 AND HAS DULY CAUSED THIS REGISTRATION
STATEMENT TO BE SIGNED ON BEHALF OF THE UNDERSIGNED, THEREUNTO DULY
AUTHORIZED, IN THE CITY OF HOUSTON, STATE OF TEXAS, ON NOVEMBER 6, 1996
 
                                          SI DIAMOND TECHNOLOGY, INC.
 
 
 
                                                 /s/  Marc W. Eller
                                          By __________________________________
                                                      Marc W. Eller
                                          Chairman and Chief Executive Officer
 
  PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, THIS
REGISTRATION STATEMENT HAS BEEN SIGNED BY THE FOLLOWING PERSONS IN THE
CAPACITIES AND ON THE DATES INDICATED.
 
<TABLE>
<CAPTION>
             SIGNATURE                           TITLE                    DATE
             ---------                           -----                    ----
 
<S>                                  <C>                           <C>
      /s/   Marc W. Eller            Chairman and Chief Executive   November 6, 1996
____________________________________ Officer (Principal Executive
           Marc W. Eller             Officer and Director)
 
      /s/ Douglas P. Baker           Vice-President and Chief       November 6, 1996
____________________________________ Financial Officer (Principal
          Douglas P. Baker           Financial Officer)
 
           Lee B. Arberg*            Directors                      November 6, 1996
         Ronald J. Berman*
           Igor Leontiev*
         Howard K. Schmidt*
         Philip C. Shaffer*
          David R. Sincox*
             Zvi Yaniv*
 
</TABLE>
*By: /s/ Marc W. Eller
     -------------------------
     Marc W. Eller,
     (Attorney-in-Fact)
 
 
                                     II-3
<PAGE>
 
                               INDEX TO EXHIBITS
 
  The exhibits indicated by an asterisk (*) are incorporated by reference from
previous filings with the Commission. The exhibits indicated by a double
asterisk (**) were previously filed with the Securities and Exchange
Commission in the original Registration Statement on Form S-3, as amended
(Registration No. 333-00674), and are incorporated herein by reference.
 
<TABLE>
<CAPTION>
                                                                   SEQUENTIALLY
 EXHIBIT                                                             NUMBERED
 NUMBER                   DESCRIPTION OF EXHIBIT                      PAGES
 -------                  ----------------------                   ------------
 <C>     <S>                                                       <C>
 4.1*    Amended and Restated Articles of Incorporation of the
          Company (Exhibit 3.1 to the Company's Report on Form
          10-QSB for the fiscal quarter ended June 30, 1995
          (File No. 1-11602)).
 4.2*    Statement of Designations, Preferences and Rights of
          Series E Preferred Stock of the Company as filed with
          the Secretary of State of the State of Texas on
          January 4, 1996 (Exhibit 4.4 to the Company's Current
          Report on Form 8-K dated as of January 19, 1996) (File
          No. 1-11602)).
 4.3*    Form of Certificate for Shares of the Company's Common
          Stock (Exhibit 4.1 to the Company's Registration
          Statement on Form SB-2 (No. 33-51466-FW) dated January
          7, 1993).
 4.4*    Form of Convertible Subordinated Debenture Agreement
          (Exhibit 10.18 to the Company's Registration Statement
          on Form SB-2 (No. 33-51466-FW) dated January 7, 1993)
 4.5*    Form of Subordinated Debenture Agreement with Attached
          Warrants (Exhibit 10.17 to the Company's Registration
          Statement on Form SB-2 (No. 33-51466-FW) dated January
          7, 1993).
 4.6*    Form of Underwriter's Warrant (Exhibit 1.4 to the
          Company's Registration on Form SB-2 (No. 33-51466-FW)
          dated January 7, 1993).
 4.7**   Form of Subscription Agreement for the sale of Units,
          each consisting of two shares of the Company's Common
          Stock and one Warrant (June 1993) to purchase one
          share of Common Stock.
 4.8**   Form of Warrant (June 1993) to purchase shares of the
          Company's Common Stock.
 4.9*    Option, Share and Warrant Purchase Agreement dated
          February 9, 1995 by and between the Company and
          Diagascrown, Inc. (Exhibit 10.1 to the Company's
          Report on Form 10-QSB for the fiscal quarter ended
          March 31, 1995 (File No. 111602)).
 4.10*   Warrant granted to East/West Technology Partners, Ltd.
          to purchase 13,500 shares of the Company's Series C
          Preferred Stock (Exhibit 10.3 to the Company's Report
          on Form 10-QSB for the fiscal quarter ended March 31,
          1995 (File No. 1-11602)).
 4.11*   Form of Subscription Agreement and Purchaser
          Questionnaire by and between the Company and
          purchasers of the Company's Common Stock effective as
          of June 20, 1995 (Exhibit 4.1 to the Company's Report
          on Form 10-QSB for the fiscal quarter ended June 30,
          1995 (File No. 1-11602)).
 4.12**  Form of Warrant (BEG) to purchase shares of the
          Company's Common Stock in connection with the Form of
          Subscription Agreement and Purchase Questionnaire by
          and between the Company and the purchasers of the
          Company's Common Stock dated as of June 20, 1995.
 4.13*   Form of Placement Agreement dated as of July 19, 1995
          by and between the Company and Columbus Asset
          Management Limited (Exhibit 4.2 to the Company's
          Report on Form 10-QSB for the fiscal quarter ended
          September 30, 1995 (File No. 1-11602)).
</TABLE>
 
                                     II-4
<PAGE>
 
<TABLE>
<CAPTION>
                                                                   SEQUENTIALLY
 EXHIBIT                                                             NUMBERED
 NUMBER                   DESCRIPTION OF EXHIBIT                      PAGES
 -------                  ----------------------                   ------------
 <C>     <S>                                                       <C>
 4.14*   Form of Warrant in connection with Placement Agreement
          dated as of July 19, 1995 by and between the Company
          and Columbus Asset Management (Exhibit 4.3 to the
          Company's Report on Form 10-QSB for the fiscal quarter
          ended September 30, 1995 (File No. 1-11602)).
 4.15**  Amendment No. 3 to the Patent and Know-How Cross-
          License Agreement executed on October 17, 1995 between
          the Company and Microelectronics & Computer Technology
          Corporation.
 4.16*   Form of Subscription Agreement and Purchaser
          Questionnaire in connection with the Company's $1.5
          million private placement of its Common Stock (Exhibit
          4.1 to the Company's Current Report on Form 8-K dated
          as of January 19, 1996 (File No. 1-11602)).
 4.17*   Form of Regulation D Subscription Agreement in
          connection with the private placement of the Company's
          Series E Preferred Stock. (Exhibit 4.2 to the
          Company's Current Report on Form 8-K dated as of
          January 19, 1996) (File No. 1-11602).
 4.18*   Form of Registration Rights Agreement in connection
          with the private placement of the Company's Series E
          Preferred Stock (Exhibit 4.3 to the Company's Current
          Report on Form 8-K dated as of January 19, 1996) (File
          No. 1-11602).
 4.19*   Form of Warrant Issued to Swartz Investments, Inc.
          (Exhibit 4.5 to the Company's Current Report on Form
          8-K dated as of January 19, 1996 (File No. 1-11602)).
 4.20*   Amendment No. 2 to the Patent and Know-How Cross
          License Agreement dated January 19, 1995 (Exhibit 10.8
          to the Company's Report on Form 10-QSB for the fiscal
          quarter ended March 31, 1995 (File No. 1-11602)).
 4.21*   Form of Certificate for Shares of the Company's Series
          C Preferred Stock (Exhibit 4.1 to the Company's
          Quarterly Report on Form 10-QSB for the fiscal quarter
          ended March 31, 1995 (File No. 1-11602)).
 4.22*   Underwriting Agreement dated as of August 27, 1993, and
          effective as of September 7, 1993 between the Company
          and GH Securities, Ltd. (Exhibit 4.1 to the Company's
          Report on Form 10-QSB for the fiscal quarter ended
          September 30, 1995 (File No. 1-11602)).
 4.23*   Warrant to Purchase 150,000 shares of Common Stock at
          $3.90 per share issued to GH Securities, Ltd.
          exercisable at any time on or before February 21,
          1999. (Exhibit 4.18 to the Company's Report on Form
          10-KSB for the fiscal year ended December 31, 1995.
          (File No. 1-11602))
 4.24*   Rights Agreement dated February 21, 1996, among the
          Company, GH Securities, Ltd. and David Klausmeyer
          (Exhibit 4.19 to the Company's Report on Form 10-KSB
          for the fiscal year ended December 31, 1995 (File No.
          1-11602)).
 4.25*   Warrant to Purchase 60,000 shares of Common Stock at
          $6.50 per share issued to GH Securities, Ltd.
          exercisable any time on or before February 21, 1999
          (Exhibit 4.20 to the Company's Report on Form 10-KSB
          for the fiscal year ended December 31, 1995 (File No.
          1-11602)).
 4.26*   Warrant to purchase 55,000 shares of Common Stock at
          $5.50 per share issued to David M. Klausmeyer
          exercisable any time on or before February 21, 1999
          (Exhibit 4.21 to the Company's Report on Form 10-KSB
          for the fiscal year ended December 31, 1995).
</TABLE>
 
                                      II-5
<PAGE>
 
<TABLE>
<CAPTION>
                                                                   SEQUENTIALLY
 EXHIBIT                                                             NUMBERED
 NUMBER                   DESCRIPTION OF EXHIBIT                      PAGES
 -------                  ----------------------                   ------------
 <C>     <S>                                                       <C>
  4.27*  Amended and Restated Articles of Incorporation of the
          Company as filed with the Secretary of State of Texas
          as of September 27, 1996 (Exhibit 3.1 to the Company's
          Current Report on Form 8-K dated September 25, 1996
          (File No. 1-11602)).
  4.28*  Form of Warrant (October 1996) to purchase shares of
          the Company's Common Stock (Exhibit    to the
          Company's Current Report on Form 8-K dated October 30,
          1996 (File No. 1-11602))
  5.1    Opinion of Donald T. Locke, as to certain legal aspects
          of the offering.
 23.1    Consent of Donald T. Locke (included in Exhibit 5.1)
 23.2    Consent of Coopers & Lybrand L.L.P.
 24.1    Powers of Attorney
 27*     Financial Data Schedule (Incorporated by reference from
          previous filings)
</TABLE>
 
                                      II-6

<PAGE>
 
                                                                    EXHIBIT 5.1
                                                                    -----------
 
                                DONALD T. LOCKE
                                ATTORNEY AT LAW
                            1300 POST OAK BOULEVARD
                                  SUITE 1750
                             HOUSTON, TEXAS 77056
 
                               NOVEMBER 4, 1996
 
Board of Directors
SI Diamond Technology, Inc.
12100 Technology Boulevard
Austin, Texas 78727
 
Gentlemen:
 
  I am acting as counsel to SI Diamond Technology, Inc., a Texas corporation
(the "Company"), in connection with the proposed offer and sale by certain
selling shareholders of up to 7,733,256 shares of Common Stock.
 
  In my capacity as counsel to the Company, I have participated in the
preparation of the Registration Statement on Form S-3 (No. 333-00674) of the
Company with respect to the offer and sale of the Common Stock (the
"Registration Statement") and Post Effective Amendment No. 1 to the
Registration Statement (the "Post-Effective Amendment") which were filed with
the Securities and Exchange Commission under the Securities Act of 1933, as
amended (the "1933 Act"), and the General Rules and Regulations thereunder
(the "Rules and Regulations"). Capitalized terms used herein shall have the
meanings ascribed to them in the Registration Statement and the Post-Effective
Amendment.
 
  In connection with the opinions expressed below, I have examined a signed
copy of the Registration Statement, the Post-Effective Amendment, corporate
records of the Company (on which I have relied with respect to the accuracy of
the material factual matters covered thereby), and such other documents as I
have deemed necessary or appropriate for purposes of the opinions expressed
below.
 
  Based on the foregoing and subject to the qualifications and limitations set
forth below, I am of the opinion that (i) the shares of Common Stock held by
the Selling Shareholders are validly issued, fully paid and nonassessable;
(ii) the shares of Common Stock to be issued pursuant to the Warrants and the
Series C Warrants are validly authorized and, when such shares have been duly
delivered against payment as provided in the Warrants and the Series C
Warrants, such shares shall be validly issued, fully paid and nonassessable;
and (iii) the shares of Common Stock issuable upon conversion of shares of the
Company's Series C Preferred Stock and Series E Preferred Stock are validly
authorized and, when such shares have been delivered against payment as
provided in the applicable provisions of the Company's Amended and Restated
Articles, such shares shall be validly issued, fully paid and nonassessable.
 
  My opinion is limited in all respects to the substantive law of the State of
Texas and the federal law of the United States, and I assume no responsibility
as to the applicability thereto, or the effect thereon, of the laws of any
other jurisdiction. The opinion expressed in this letter is rendered as of the
date hereof, and I undertake no, and hereby disclaim any, obligation to advise
you of any changes in or new developments which might affect matters or
opinions set forth herein.
 
  I hereby consent to the use of this opinion as an exhibit to the
Registration Statement and the Post-Effective Amendment and to the statement
made regarding me under the caption "Legal Opinions" in the Prospectus
included in the Registration Statement and the Post-Effective Amendment.
 
                                          Very truly yours,
 
                                          /s/ Donald T. Locke
                                          -------------------------------------
                                          Donald T. Locke

<PAGE>
 
                                 EXHIBIT 23.2
                                 ------------ 

                      CONSENT OF INDEPENDENT ACCOUNTANTS
 
  We consent to the incorporation by reference in this Post-Effective
Amendment No. 1 to Registration Statement on Form S-3 (File No. 333-00674) of
our report dated March 4, 1996, except as to the fourth paragraph for which
the date is November 6, 1996, on our audits of the consolidated financial
statements of SI Diamond Technology, Inc. and Subsidiaries (the "Company") as
of December 31, 1995 and 1994, and for each of the years then ended, which
refers to uncertainty regarding the ability of the Company to continue as a
going concern. We also consent to the reference to our firm under the caption
"Experts".
 
                                          COOPERS & LYBRAND L. L. P.
 
Houston, Texas
November 6, 1996

<PAGE>
 
                               POWER OF ATTORNEY
 
  WHEREAS, SI Diamond Technology, Inc., a Texas corporation (the "Company"),
has filed with the Securities and Exchange Commission (the "Commission") under
the Securities Act of 1933, as amended (the "Act"), a selling shareholder
registration statement on Form S-3 (Registration No. 333-00674), a draft of
which has been previously reviewed by the undersigned (the "Registration
Statement"), which may include one or more prospectuses, to the extent
required, with such pre-effective or post-effective amendments thereto as the
appropriate officers of the Company may deem necessary or advisable, together
with any and all exhibits and other documents having relation to said
Registration Statement;
 
  NOW, THEREFORE, the undersigned in his capacity as a director or officer or
both, as the case may be, of the Company, does hereby constitute and appoint
Marc W. Eller and Zvi Yaniv, and each of them severally, as his true and
lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, to do any and all acts and things in his name and on his
behalf in his capacity as a director or officer or both, as the case may be,
of the Company, as fully and to all intents and purposes as the undersigned
might or could do in person, and to execute any and all instruments for the
undersigned and in his name in any and all capacities which such person may
deem necessary or advisable to enable the Company to comply with the Act and
any rules, regulations and requirements of the Commission, in connection with
the filing of the Registration Statement, including specifically, but not
limited to, power and authority to sign for the undersigned, in his capacity
as a director or officer or both, as the case may be, of the Company, the
Registration Statement and any and all other documents (including, without
limitation, any amendments or further post-effective amendments to the
Registration Statement or to such other documents) which such person may deem
necessary or advisable in connection therewith; and the undersigned does
hereby ratify and confirm all that such person shall do or cause to be done by
virtue hereof.
 
  IN WITNESS WHEREOF, the undersigned has executed this power of attorney as
of the 6th day of September, 1996.
 
                                          /s/ Howard K. Schmidt
                                          _____________________________________
                                            Howard K. Schmidt
<PAGE>
 
                               POWER OF ATTORNEY
 
  WHEREAS, SI Diamond Technology, Inc., a Texas corporation (the "Company"),
has filed with the Securities and Exchange Commission (the "Commission") under
the Securities Act of 1933, as amended (the "Act"), a selling shareholder
registration statement on Form S-3 (Registration No. 333-00674), a draft of
which has been previously reviewed by the undersigned (the "Registration
Statement"), which may include one or more prospectuses, to the extent
required, with such pre-effective or post-effective amendments thereto as the
appropriate officers of the Company may deem necessary or advisable, together
with any and all exhibits and other documents having relation to said
Registration Statement;
 
  NOW, THEREFORE, the undersigned in his capacity as a director or officer or
both, as the case may be, of the Company, does hereby constitute and appoint
Marc W. Eller and Zvi Yaniv, and each of them severally, as his true and
lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, to do any and all acts and things in his name and on his
behalf in his capacity as a director or officer or both, as the case may be,
of the Company, as fully and to all intents and purposes as the undersigned
might or could do in person, and to execute any and all instruments for the
undersigned and in his name in any and all capacities which such person may
deem necessary or advisable to enable the Company to comply with the Act and
any rules, regulations and requirements of the Commission, in connection with
the filing of the Registration Statement, including specifically, but not
limited to, power and authority to sign for the undersigned, in his capacity
as a director or officer or both, as the case may be, of the Company, the
Registration Statement and any and all other documents (including, without
limitation, any amendments or further post-effective amendments to the
Registration Statement or to such other documents) which such person may deem
necessary or advisable in connection therewith; and the undersigned does
hereby ratify and confirm all that such person shall do or cause to be done by
virtue hereof.
 
  IN WITNESS WHEREOF, the undersigned has executed this power of attorney as
of the 6th day of September, 1996.
 
                                          /s/ Ronald J. Berman
                                          _____________________________________
                                            Ronald J. Berman
<PAGE>
 
                               POWER OF ATTORNEY
 
  WHEREAS, SI Diamond Technology, Inc., a Texas corporation (the "Company"),
has filed with the Securities and Exchange Commission (the "Commission") under
the Securities Act of 1933, as amended (the "Act"), a selling shareholder
registration statement on Form S-3 (Registration No. 333-00674), a draft of
which has been previously reviewed by the undersigned (the "Registration
Statement"), which may include one or more prospectuses, to the extent
required, with such pre-effective or post-effective amendments thereto as the
appropriate officers of the Company may deem necessary or advisable, together
with any and all exhibits and other documents having relation to said
Registration Statement;
 
  NOW, THEREFORE, the undersigned in his capacity as a director or officer or
both, as the case may be, of the Company, does hereby constitute and appoint
Marc W. Eller and Zvi Yaniv, and each of them severally, as his true and
lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, to do any and all acts and things in his name and on his
behalf in his capacity as a director or officer or both, as the case may be,
of the Company, as fully and to all intents and purposes as the undersigned
might or could do in person, and to execute any and all instruments for the
undersigned and in his name in any and all capacities which such person may
deem necessary or advisable to enable the Company to comply with the Act and
any rules, regulations and requirements of the Commission, in connection with
the filing of the Registration Statement, including specifically, but not
limited to, power and authority to sign for the undersigned, in his capacity
as a director or officer or both, as the case may be, of the Company, the
Registration Statement and any and all other documents (including, without
limitation, any amendments or further post-effective amendments to the
Registration Statement or to such other documents) which such person may deem
necessary or advisable in connection therewith; and the undersigned does
hereby ratify and confirm all that such person shall do or cause to be done by
virtue hereof.
 
  IN WITNESS WHEREOF, the undersigned has executed this power of attorney as
of the 10th day of September, 1996.
 
                                          /s/ Lee B. Arberg
                                          _____________________________________
                                            Lee B. Arberg
<PAGE>
 
                               POWER OF ATTORNEY
 
  WHEREAS, SI Diamond Technology, Inc., a Texas corporation (the "Company"),
has filed with the Securities and Exchange Commission (the "Commission") under
the Securities Act of 1933, as amended (the "Act"), a selling shareholder
registration statement on Form S-3 (Registration No. 333-00674), a draft of
which has been previously reviewed by the undersigned (the "Registration
Statement"), which may include one or more prospectuses, to the extent
required, with such pre-effective or post-effective amendments thereto as the
appropriate officers of the Company may deem necessary or advisable, together
with any and all exhibits and other documents having relation to said
Registration Statement;
 
  NOW, THEREFORE, the undersigned in his capacity as a director or officer or
both, as the case may be, of the Company, does hereby constitute and appoint
Marc W. Eller and Zvi Yaniv, and each of them severally, as his true and
lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, to do any and all acts and things in his name and on his
behalf in his capacity as a director or officer or both, as the case may be,
of the Company, as fully and to all intents and purposes as the undersigned
might or could do in person, and to execute any and all instruments for the
undersigned and in his name in any and all capacities which such person may
deem necessary or advisable to enable the Company to comply with the Act and
any rules, regulations and requirements of the Commission, in connection with
the filing of the Registration Statement, including specifically, but not
limited to, power and authority to sign for the undersigned, in his capacity
as a director or officer or both, as the case may be, of the Company, the
Registration Statement and any and all other documents (including, without
limitation, any amendments or further post-effective amendments to the
Registration Statement or to such other documents) which such person may deem
necessary or advisable in connection therewith; and the undersigned does
hereby ratify and confirm all that such person shall do or cause to be done by
virtue hereof.
 
  IN WITNESS WHEREOF, the undersigned has executed this power of attorney as
of the 6th day of September, 1996.
 
                                          /s/ David R. Sincox
                                          _____________________________________
                                            David R. Sincox
<PAGE>
 
                               POWER OF ATTORNEY
 
  WHEREAS, SI Diamond Technology, Inc., a Texas corporation (the "Company"),
has filed with the Securities and Exchange Commission (the "Commission") under
the Securities Act of 1933, as amended (the "Act"), a selling shareholder
registration statement on Form S-3 (Registration No. 333-00674), a draft of
which has been previously reviewed by the undersigned (the "Registration
Statement"), which may include one or more prospectuses, to the extent
required, with such pre-effective or post-effective amendments thereto as the
appropriate officers of the Company may deem necessary or advisable, together
with any and all exhibits and other documents having relation to said
Registration Statement;
 
  NOW, THEREFORE, the undersigned in his capacity as a director or officer or
both, as the case may be, of the Company, does hereby constitute and appoint
Marc W. Eller and Zvi Yaniv, and each of them severally, as his true and
lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, to do any and all acts and things in his name and on his
behalf in his capacity as a director or officer or both, as the case may be,
of the Company, as fully and to all intents and purposes as the undersigned
might or could do in person, and to execute any and all instruments for the
undersigned and in his name in any and all capacities which such person may
deem necessary or advisable to enable the Company to comply with the Act and
any rules, regulations and requirements of the Commission, in connection with
the filing of the Registration Statement, including specifically, but not
limited to, power and authority to sign for the undersigned, in his capacity
as a director or officer or both, as the case may be, of the Company, the
Registration Statement and any and all other documents (including, without
limitation, any amendments or further post-effective amendments to the
Registration Statement or to such other documents) which such person may deem
necessary or advisable in connection therewith; and the undersigned does
hereby ratify and confirm all that such person shall do or cause to be done by
virtue hereof.
 
  IN WITNESS WHEREOF, the undersigned has executed this power of attorney as
of the 5th day of September, 1996.
 
                                          /s/ Philip C. Shaffer
                                          _____________________________________
                                            Philip C. Shaffer
<PAGE>
 
                               POWER OF ATTORNEY
 
  WHEREAS, SI Diamond Technology, Inc., a Texas corporation (the "Company"),
has filed with the Securities and Exchange Commission (the "Commission") under
the Securities Act of 1933, as amended (the "Act"), a selling shareholder
registration statement on Form S-3 (Registration No. 333-00674), a draft of
which has been previously reviewed by the undersigned (the "Registration
Statement"), which may include one or more prospectuses, to the extent
required, with such pre-effective or post-effective amendments thereto as the
appropriate officers of the Company may deem necessary or advisable, together
with any and all exhibits and other documents having relation to said
Registration Statement;
 
  NOW, THEREFORE, the undersigned in his capacity as a director or officer or
both, as the case may be, of the Company, does hereby constitute and appoint
Marc W. Eller and Zvi Yaniv, and each of them severally, as his true and
lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, to do any and all acts and things in his name and on his
behalf in his capacity as a director or officer or both, as the case may be,
of the Company, as fully and to all intents and purposes as the undersigned
might or could do in person, and to execute any and all instruments for the
undersigned and in his name in any and all capacities which such person may
deem necessary or advisable to enable the Company to comply with the Act and
any rules, regulations and requirements of the Commission, in connection with
the filing of the Registration Statement, including specifically, but not
limited to, power and authority to sign for the undersigned, in his capacity
as a director or officer or both, as the case may be, of the Company, the
Registration Statement and any and all other documents (including, without
limitation, any amendments or further post-effective amendments to the
Registration Statement or to such other documents) which such person may deem
necessary or advisable in connection therewith; and the undersigned does
hereby ratify and confirm all that such person shall do or cause to be done by
virtue hereof.
 
  IN WITNESS WHEREOF, the undersigned has executed this power of attorney as
of the 5th day of September, 1996.
 
                                          /s/ Igor Leontiev
                                          _____________________________________
                                            Igor Leontiev
<PAGE>
 
                               POWER OF ATTORNEY
 
  WHEREAS, SI Diamond Technology, Inc., a Texas corporation (the "Company"),
has filed with the Securities and Exchange Commission (the "Commission") under
the Securities Act of 1933, as amended (the "Act"), a selling shareholder
registration statement on Form S-3 (Registration No. 333-00674), a draft of
which has been previously reviewed by the undersigned (the "Registration
Statement"), which may include one or more prospectuses, to the extent
required, with such pre-effective or post-effective amendments thereto as the
appropriate officers of the Company may deem necessary or advisable, together
with any and all exhibits and other documents having relation to said
Registration Statement;
 
  NOW, THEREFORE, the undersigned in his capacity as a director or officer or
both, as the case may be, of the Company, does hereby constitute and appoint
Marc W. Eller and Dr. Zvi Yaniv, and each of them severally, as his true and
lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, to do any and all acts and things in his name and on his
behalf in his capacity as a director or officer or both, as the case may be,
of the Company, as fully and to all intents and purposes as the undersigned
might or could do in person, and to execute any and all instruments for the
undersigned and in his name in any and all capacities which such person may
deem necessary or advisable to enable the Company to comply with the Act and
any rules, regulations and requirements of the Commission, in connection with
the filing of the Registration Statement, including specifically, but not
limited to, power and authority to sign for the undersigned, in his capacity
as a director or officer or both, as the case may be, of the Company, the
Registration Statement and any and all other documents (including, without
limitation, any amendments or further post-effective amendments to the
Registration Statement or to such other documents) which such person may deem
necessary or advisable in connection therewith; and the undersigned does
hereby ratify and confirm all that such person shall do or cause to be done by
virtue hereof.
 
  IN WITNESS WHEREOF, the undersigned has executed this power of attorney as
of the 6th day of September, 1996.
 
                                          /s/ Dr. Zvi Yaniv
                                          _____________________________________
                                            Dr. Zvi Yaniv


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