SEEQ TECHNOLOGY INC
10-K/A, 1996-03-08
SEMICONDUCTORS & RELATED DEVICES
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 10-K/A

/X/      Annual report pursuant to Section 13 or 15(d) of the Securities
         Exchange Act of 1934 for the fiscal year ended September 30, 1995

                                       OR

/ /      Transition report pursuant to Section 13 or 15(d) of the Securities 
         Exchange Act of 1934 for the transition period from ________ to _______

                         Commission File Number 0-11778

                          SEEQ TECHNOLOGY INCORPORATED
             (Exact name of registrant as specified in its charter)

       DELAWARE                                         94-2711298
(State of incorporation)                    (I.R.S. Employer Identification No.)

47200 Bayside Pkwy., Fremont, California                                 94538
(Address of principal executive offices)                              (Zip Code)

Registrant's telephone number, including area code  (510) 226-7400

Securities registered pursuant to Section 12(b) of the Act:  None

Securities registered pursuant to Section 12(g) of the Act:  Common Stock, 
$.01 par value

Indicate by check mark whether the registrant: (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. Yes  X    No
                                             -----    -----

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of the Registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of the Form 10-K or any
amendment to this Form 10-K. /X/

The aggregate market value of the voting stock held by non-affiliates of the
registrant, based upon the closing price of the Common Stock on December 15,
1995 as reported by Nasdaq, was approximately $123,718,815.

The number of outstanding shares of the registrant's Common Stock on December
15, 1995 was 29,992,440.

                       DOCUMENTS INCORPORATED BY REFERENCE

(1)      Proxy Statement for the 1996 Annual Meeting of Stockholders as filed
         with the Commission (the "Proxy Statement") - Part III, Items 10, 11,
         12 and 13.


<PAGE>   2




ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K.

(a) List the following documents filed as part of the report:

    3. Exhibits

3.1      Certificate of Incorporation (incorporated herein by reference to
         Registrant's Registration Statement on Form S-1 (Registration No.
         33-47985)).

3.2      Bylaws (incorporated herein by reference to Registrant's Registration
         Statement on Form S-1 (Registration No. 33-47985)).

4.1      Rights Agreement dated as of April 21, 1995 between the Company and
         American Stock Transfer and Trust Company, including exhibits thereto
         (incorporated herein by reference to Registrant's Form 8-A filed on May
         2, 1995).

10.1     Form of Indemnification Agreement with Directors and Officers
         (incorporated herein by reference to Registrant's Form 8-B filed on
         June 2, 1987).

10.2     Executive Compensation Plans and Arrangements

10.2.1   Restated Periodic Purchase Plan, as amended (incorporated herein by
         reference to Registrant's Annual Report on Form 10-K for the fiscal
         year ended September 30, 1991).

10.2.2   Notice of Periodic Purchase Plan Offerings (incorporated herein by
         reference to Registrant's Form S-8 Registration Statement (Registration
         No. 33-27419) filed on March 7, 1989).

10.2.3   Restated 1982 Stock Option Plan, as amended (incorporated herein by
         reference to Registrant's Form S-8 Registration Statement (Registration
         No. 33-6544) filed on July 2, 1993).

10.2.4   1989 Non-Employee Director Stock Option Plan (incorporated herein by
         reference to Registrant's Form S-8 Registration Statement (Registration
         No. 33-35838) filed on July 11, 1990).

10.2.5   Kodiak Technology Incorporated 1989 Stock Option Plan, and related
         Stock Option and Stock Purchase Agreements (incorporated herein by
         reference to Registrant's Annual Report on Form 10-K for the fiscal
         year ended September 30, 1989).

10.3     Build to Suit Lease dated as of October 15, 1982, as amended ("1982
         Lease"), between the Company and David W. Mariani Investment
         Partnership dba Mariani Financial Co. (incorporated herein by reference
         to Registrant's Annual Report on Form 10-K for the fiscal year ended
         September 30, 1986).


<PAGE>   3



10.4     Stock Purchase Agreement dated as of July 16, 1990 between the Company
         and Hualon Microelectronics Corporation (incorporated herein by
         reference to Registrant's Quarterly Report on Form 10-Q for the period
         ended June 30, 1990).

10.5*    Technology Transfer and Foundry Agreement dated as of July 16, 1990
         between the Company and Hualon Microelectronics Corporation (subject to
         confidential treatment) (incorporated herein by reference to
         Registrant's Quarterly Report on Form 10-Q for the period ended June
         30, 1990).

10.5.1*  Settlement Agreement, Release and Tolling Agreement dated as of August
         16, 1995 by and between the Company and Hualon Microelectronics
         Corporation (subject to confidential treatment).

10.5.2*  Amendment to Technology Transfer and Foundry Agreement dated August 16,
         1995 by and between the Company and Hualon Microelectronics Corporation
         (subject to confidential treatment).

10.6     Business Loan Agreement with Silicon Valley Bank and warrant issued
         pursuant thereto (incorporated herein by reference to Registrant's
         Annual Report on Form 10-K for the fiscal year ended September 30,
         1991).

10.7     Amendment to Business Loan Agreement with Silicon Valley Bank and
         warrant issued pursuant thereto (incorporated herein by reference to
         Registrant's Annual Report on Form 10-K for the fiscal year ended
         September 30, 1991).

10.8     Warrant Purchase Agreement dated as of August 2, 1991 with Silicon
         Valley Bank and warrant issued pursuant thereto (incorporated herein by
         reference to Registrant's Annual Report on Form 10-K for the fiscal
         year ended September 30, 1991).

10.9     Foundry Agreement dated as of November 15, 1991 between the Company and
         International Microelectronic Products Inc. (subject to request for
         confidential treatment) (incorporated herein by reference to
         Registrant's Annual Report on Form 10-K for the fiscal year ended
         September 30, 1991).

10.10    Loan and Security Agreement with CIT Group/Credit Finance, Inc. dated
         November 22, 1993 (incorporated by reference into the Registrant's
         Annual Report on Form 10-K for the fiscal year ended September 30,
         1993).

10.10.1  Agreement to Renew and Amend Loan and Security Agreement dated November
         22, 1995 between the Company and CIT Group/Credit Finance, Inc.

10.11    Warrant Agreement dated January 29, 1992 between the Company and
         certain stockholders (incorporated by reference herein to Registrant's
         Registration Statement on Form S-1 (Registration No. 33-64822)).


<PAGE>   4


10.12    Warrant Agreement dated April 27, 1993 between the Company and certain
         stockholders (incorporated by reference herein to Registrant's
         Registration Statement on Form S-1 (Registration No. 33-64822)).

10.13    Form of Warrant issued by the Company to certain stockholders on July
         30, 1993 (incorporated by reference herein to Registrant's Registration
         Statement on Form S-1 (Registration No. 33-64822)).

10.14    Stock Purchase Agreement and Exhibits thereto dated January 10, 1992
         between the Company and certain stockholders (incorporated by reference
         herein to Registrant's Registration Statement on Form S-1 (Registration
         No. 33-64822)).

10.15    Asset Purchase Agreement dated February 7, 1994 between the Company and
         Atmel Corporation (incorporated by reference to the Company's Form 8-K
         dated February 7, 1994).

10.16    Stock Purchase Agreement dated February 7, 1994 between the Company and
         Atmel Corporation (incorporated by reference to the Company's Form 8-K
         dated February 7, 1994).

10.17    Escrow Agreement dated February 7, 1994 between the Company, Atmel
         Corporation and Wilson, Sonsini, Goodrich & Rosati, P.C. (incorporated
         by reference to the Company's Form 8-K dated February 7, 1994).

10.18    Escrow Agreement dated April 14, 1994 between the Company, Atmel and
         Bank of America NT&SA (incorporated by reference to the Company's
         Quarterly Report on Form 10-Q for the fiscal quarter ended March 31,
         1994).

21.1     The Company has one subsidiary: Talus Technology Incorporated, a
         California Corporation.

23.1     Consent of Price Waterhouse LLP, Independent Accountants.

24.1     Power of Attorney. Reference is made to the Signature Page.

27.1     financial Data Schedule.

(b)  Reports on Form 8-K.  The Company did not file any Current Reports on 
     Form 8-K during the quarter ended September 30, 1995.


*  MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN REQUESTED FOR
   CERTAIN PORTIONS OF THE EXHIBIT. ALL SUCH OMITTED MATERIAL HAS BEEN FILED
   SEPARATELY WITH THE COMMISSION.

<PAGE>   5



         Pursuant to the requirements of Section 13 or 15(d) of the Securities
Act of 1934, the Registrant has duly caused this Amendment to the Form 10-K to
be signed on its behalf by the undersigned, thereto duly authorized.

                                            SEEQ TECHNOLOGY INCORPORATED


                                            By:/s/ Phillip J. Salsbury
                                               ---------------------------------
                                               Phillip J. Salsbury
                                               Chief Executive Officer

Dated:  March 6, 1996

         Pursuant to the requirements of the Securities Act of 1934, this
Amendment to the Form 10-K has been signed below by the following persons on
behalf of the Registrant and in the capacities and on the dates indicated.

<TABLE>
<CAPTION>
Signature                                Title                                                     Date
- ---------                                -----                                                     ----
<S>                                      <C>                                                  <C>
/s/ Phillip J. Salsbury                  Chief Executive Officer                              March 6, 1996
- -----------------------                  and Director
(Phillip J. Salsbury)                    (Principal Executive Officer)


            *                            Vice President, Finance and                          March 6, 1996
- --------------------------               Administration (Principal
(Robert O. Hersh)                        Financial and Accounting
                                         Officer)

            *                            Chairman of the Board of                             March 6, 1996
- --------------------------               Directors
(Alan V. Gregory)         


            *                            Director                                             March 6, 1996
- --------------------------
(Charles Harwood


                                         Director                                             March 6, 1996
- --------------------------
(Peter Cheng)
</TABLE>


*By:/s/ Phillip J. Salsbury
    -------------------------------
      Phillip J. Salsbury
      Attorney-in-Fact




<PAGE>   1
                             CONFIDENTIAL TREATMENT

                                                                  EXHIBIT 10.5.1

               SETTLEMENT AGREEMENT, RELEASE AND TOLLING AGREEMENT

         This Settlement Agreement, Release and Tolling Agreement ("the
Agreement") is entered into this 16th day of August 1995, by and between Hualon
Microelectronics Corporation ("HMC") and SEEQ Technology Incorporated ("SEEQ")
and is based upon the following recital of facts.

                                    RECITALS

         WHEREAS, on or about July 16, 1990, SEEQ and HMC entered into a
Technology Transfer and Foundry Agreement (the "1990 Foundry Agreement") whereby
HMC agreed to serve as a foundry of certain integrated circuits ("ICs")
manufactured pursuant to certain SEEQ proprietary processes for the manufacture
of electrically erasable programmable read-only memory ("EEPROM") devices and
data communication devices; and

         WHEREAS, the parties operated under the 1990 Foundry Agreement for
several years, with SEEQ transferring certain technology to HMC and HMC
manufacturing certain ICs for SEEQ, and SEEQ purchasing such ICs from HMC and
reselling such ICs in Europe and North America; and

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.


<PAGE>   2



         WHEREAS, disputes have arisen concerning the performance of each party
under the 1990 Foundry Agreement, including but not limited to allegations by
HMC that SEEQ failed to pay amounts owed to HMC under the 1990 Foundry Agreement
and allegations by SEEQ that HMC failed to perform adequately under the 1990
Foundry Agreement; and

         WHEREAS, on or about February 24, 1992, the parties entered into a Co-
Development Agreement whereby the parties were to cooperate in the development
of technology for the manufacture of certain data communication devices; and

         WHEREAS, disputes have arisen with regard to each party's performance
under the Co-Development Agreement, including but not limited to allegations by
HMC that SEEQ did not transfer technology to HMC as required in the
Co-Development Agreement, and allegations by SEEQ that HMC did not "contribute
generally similar efforts" to the co-development of products as required in the
Co-Development Agreement; and

         WHEREAS, SEEQ and HMC desire to compromise, settle and resolve, now and
forever all claims and disputes between them arising from or related to the 1990
Foundry Agreement and the Co-Development Agreement and terminate all their
pending or possible claims and counterclaims regarding those two documents upon
the terms and conditions set forth below; and

         WHEREAS, a further dispute has arisen between SEEQ and HMC concerning
the existence, validity, enforceability, and performance under a document
entitled License, Transfer and Modification Agreement (the "Claimed License
Agreement") in which HMC asserts, among other things, that the Claimed License
Agreement is valid

                                        2


<PAGE>   3



and enforceable and was breached by SEEQ, and SEEQ asserts, among other things,
that the Claimed License Agreement is invalid, void, and unenforceable; and

         WHEREAS, HMC and SEEQ desire at this time not to pursue their
respective claims relating to the Claimed License Agreement; and

         WHEREAS, there is currently pending in United States District Court,
Northern District of California an action styled SEEQ Technology Inc. v. Hualon
Microelectronics Corp., Civ. 94-1075 (SAW) ("The Litigation"), and HMC and SEEQ
each desires to compromise and settle certain claims asserted therein and
otherwise not pursue certain other claims asserted therein, and to terminate The
Litigation; and

         WHEREAS, SEEQ and HMC desire to amend the terms of the 1990 Foundry
agreement and the Co-Development Agreement with respect to certain products and
processes known as the [*] Products and the [*] Processes, by entering into the
1995 Amendment to Technology Transfer and Foundry Agreement and Co-Development
Agreement (the "1995 Foundry Agreement"), attached hereto as Exhibit A.

         The parties hereby stipulate and agree to the terms and conditions set
forth below.

                                        3
<PAGE>   4

                                    AGREEMENT

         1.   NATURE OF AGREEMENT

                  This Agreement constitutes a fully executed settlement
instrument, accord and satisfaction, a general and specific dismissal and
release of all claims arising from certain disputes referenced above, and a
withdrawal of all claims and tolling agreement with respect to certain other
disputes referenced above.

         2.       TERMS AND CONDITIONS OF RELEASES

                  2.1.  Consideration

                  In consideration of the dismissal of existing claims,
releases, entry into the 1995 Foundry Agreement, entry into a tolling agreement,
and other mutual promises by HMC to SEEQ and SEEQ to HMC, SEEQ and HMC hereby
agree and stipulate to the following:

                  a. SEEQ shall pay to HMC five hundred thousand dollars
($500,000) in cash, payable in three separate and consecutive monthly
installments of two hundred thousand dollars ($200,000), two hundred thousand
dollars ($200,000), and one hundred thousand dollars ($100,000), respectively,
in that order, the first payment to be made no later than five (5) days after
execution of this Agreement, the second no later than thirty-five (35) days
after execution, and the third no later than sixty-five (65) days after
execution.

                  b. SEEQ shall issue to HMC one hundred thousand (100,000)
shares of SEEQ common stock no later than thirty (30) days after execution of
this Agreement.

                  c. No later than five (5) business days following the
execution of

                                        4
<PAGE>   5



this Agreement, SEEQ and HMC shall each file with the Court a voluntary
dismissal with prejudice of all claims each has asserted in The Litigation other
than those claims which arise from or relate to the Claimed License Agreement.
Specifically, SEEQ shall dismiss with prejudice claims One through Ten and
Eighteen through Twenty of its Amended Complaint, and HMC shall dismiss with
prejudice claims One through Three and Six through Nine of its Amended
Counterclaim. Each party immediately shall serve upon the other party a
conformed copy of its dismissal with prejudice after it has been filed with the
Court, and, in any event, no later than one (1) business day following the
filing.

                  d. No later than five (5) business days following the
execution of this Agreement, SEEQ and HMC shall each file with the Court a
dismissal without prejudice of all claims each has asserted in The Litigation
arising out of or relating to the Claimed License Agreement. Specifically, SEEQ
shall dismiss without prejudice claims Eleven through Seventeen (and all
incorporated allegations) of its Amended Complaint, and HMC shall dismiss
without prejudice claims Four and Five (and all incorporated allegations) of its
Amended Counterclaim. Each party immediately shall serve upon the other a
conformed copy of its dismissal without prejudice after it has been filed with
the Court, and, in no event, no later than one (1) business day following the
filing.

                  e. The parties have entered into the 1995 Foundry Agreement

                                        5
<PAGE>   6



whereby HMC agrees to act as a foundry employing the [*] process technology to
manufacture, among other things, SEEQ's [*], [*] and [*] data communications
products.

                  f. Each of the parties agrees to the general release set forth
in paragraph 2.2 of this Agreement, applicable to all claims, whether asserted
or not, arising out of the 1990 Foundry Agreement and the Co-Development
Agreement.

                  g. Each of the parties agrees to the tolling agreement set
forth in paragraph 3 of this Agreement, applicable to all claims, whether
asserted or not, arising out of the Claimed License Agreement.

         2.2.   Release of all Claims Relating to Foundry Agreement and
                  Co-Development Agreement

                  a. Each of the parties releases and forever discharges the
other party and its predecessors, agents, servants, employees, partners,
associates, attorneys, successors, firms and each and all of them, of and from
any and all claims, obligations, liabilities, guarantees, actions, causes of
action, demands under the laws of the State of California, and of any other
state of the United States and/or the United States of America and the laws of
any other nation, country, territory or jurisdiction, judgments, executions,
debts, costs, expenses, attorney fees, damages, taxes, liens, notes, claims,
charges and losses, of any kind, nature and character, arising by statute or
otherwise, known or unknown, or hereafter becoming known, on account of, growing
or arising out of, related to, or resulting from the 1990 Foundry Agreement
entered into by the parties

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.

                                        6
<PAGE>   7



on or about July 16, 1990 and the Co-Development Agreement entered into by the
parties on or about February 24, 1992, or from either party's performance under
either of the two above-referenced agreements, and do hereby agree to and
acknowledge full and complete compromise and settlement, and complete
satisfaction thereof.

                  b. The parties acknowledge that they may hereafter discover
facts different from or in addition to those they now know or believe to be true
with respect to the claims, demands, causes of action, obligations, damages and
liabilities of any nature whatsoever that are the subject of paragraph 2.2.a.
and they expressly agree that this Agreement shall be and remain effective in
all respects regardless of such additional or different facts. This Agreement is
intended to, and SEEQ and HMC each warrants that it will, dispose of all
liability of one party to the other, and to each party's heirs and assigns, and
to any other person that might now or in the future have a claim against either
of the parties as a result of any of the disputes encompassed in the release in
paragraph 2.2.a. above, and SEEQ and HMC agree to indemnify and hold each other
harmless from any and all liability including all expenses, costs and attorneys'
fees incurred by reason of any such claim asserted by such other person(s).

                  c. Section 1542 Waiver. It is further understood and agreed
that the parties specifically waive all rights under Section 1542 of the
California Civil Code which provides as follows:

                  Section. 1542 Extent of General Release. A general
                  release does not extend the claims which the
                  creditor does not know or suspect to exist in his
                  favor at the time of executing the release, which
                  if known by him must have materially affected his
                  settlement with the debtor.

                                        7
<PAGE>   8



                  2.3. Representation and Warranties. Each of the parties
represents that it has not assigned or transferred, or purported to assign or
transfer to any person, firm or corporation, either voluntarily or
involuntarily, any claim, cause of action, or right based on, arising out of, or
in connection with any matter, fact, or anything described or referred to in
paragraph 2.2.a. of this Agreement and agree to indemnify each other and hold
each other harmless from any and all liabilities including all expenses, costs
and attorneys' fees incurred by reason of any such assertion of such a claim,
cause of action, or right by any person not a party to this Agreement.

         3.       TOLLING AGREEMENT AND TERMINATION OF LIMITATION PERIODS FOR
                  CLAIMED LICENSE AGREEMENT CLAIMS

                  3.1.  Tolling Agreement

                  Upon the filing of the dismissals without prejudice provided
in paragraph 2.1.d. of this Agreement, each of the parties desires to preserve
for the period set forth below the status quo of the claims so dismissed,
insofar as timeliness of any litigation is concerned. Therefore, in
consideration of the mutual covenants herein, each of the parties hereby agrees
and covenants that any and all applicable periods of limitation or equitable
defenses of laches relevant to the Tolled Claims (as defined below) shall be
tolled and/or extended for the period from the original filing of such Tolled
Claims in The Litigation until the date on which Atmel Corporation, or its
successors or assigns, is no longer entitled to assert a claim against SEEQ in
connection with the transactions

                                        8
<PAGE>   9



under that certain Asset Purchase Agreement between SEEQ and Atmel Corporation
dated February 7, 1994, or until [*] (the "Tolling Period"), whichever occurs
earlier. This Tolling Period shall not be included or relied upon in any way by
either party in computing the running of time under any statute of limitations,
or by way of laches, equitable estoppel or other time limitation (whether
equitable, statutory, contractual or otherwise) concerning the Tolled Claims.
The parties agree and covenant that neither party shall assert any of the Tolled
Claims at any time following the Tolling Period. The Tolling Period shall not
prevent HMC or SEEQ from asserting claims arising out of or related to the
Claimed License Agreement against each other or against third parties in any
court of competent jurisdiction prior to the expiration of the Tolling Period.
"Tolled Claims" shall mean (i) the claims dismissed without prejudice pursuant
to paragraph 2.1.d. of this Agreement asserted by SEEQ and/or HMC in their
pleadings filed in The Litigation or (2) any other claim which arises out of or
is related to the Claimed License Agreement or surrounding the Claimed License
Agreement set forth in the pleadings filed in the above-referenced litigation.

                  3.2      Effect of Agreement Re Statute of Limitations.

                  a.       The parties further agree and covenant that neither
party shall commence further litigation arising out of or related to any of the
Tolled Claims unless and until such party gives the other party thirty days
written notice of its intent to commence such litigation. The parties agree to
negotiate in good faith during this thirty day period in an effort to resolve
the existing dispute relating to the Tolled Claims and


[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.

                                        9
<PAGE>   10



to avoid litigation. This thirty day period may be altered by written
stipulation.

                  b.       This Agreement shall not limit or effect any
potential claim or defense whether equitable, statutory, contractual or
otherwise to the extent such claims or defenses could have been asserted on or
before the date of the execution of this Agreement.

                  c.       The dismissals without prejudice provided for in
paragraph 2.1.d. above shall not be used, relied upon or counted for purposes of
Fed. R. Civ. P. 41(a)(1) or (d) in the event of subsequent litigation.

                  d.       Subject to the conditions set forth above and the
applicable law, nothing herein shall prevent commencement of a subsequent action
relating to the Tolled Claims in any court of competent jurisdiction against any
person, corporation or entity whose rights, duties, and/or obligations are
predicated on the Tolled Claims, or who is otherwise a proper party to such an
action.

         4.       AGREEMENT NOT TO BE CONSTRUED AS AN ADMISSION.

                  This Agreement is entered into by the parties hereto for the
purpose of compromising and settling the matters in dispute relating to the 1990
Foundry Agreement and Co-Development Agreement, and withdrawing and tolling the
Tolled Claims relating to the Claimed License Agreement. It does not constitute,
nor shall it be considered to constitute, nor shall it be asserted or used as,
nor shall it be admissible as, an admission by any of the parties hereto of the
truth or validity of the claims or counterclaims asserted by either party. SEEQ
hereby explicitly denies the validity, enforceability, and binding nature of,
the Claimed License Agreement, and explicitly denies all claims asserted by HMC
arising out of or related thereto. HMC explicitly

                                       10
<PAGE>   11

claims that the Claimed License Agreement is valid and enforceable and
explicitly denies all claims by SEEQ related thereto.

         5.       INTERPRETATION.

                  The parties acknowledge and agree that they have been given
the opportunity independently to review this Agreement with legal counsel,
and/or had the requisite experience and sophistication to understand, interpret
and agree to the particular language of the provisions hereof. In the event of
an ambiguity in, or dispute regarding the interpretation of same, the
interpretation of this Agreement shall not be resolved by any rule of
interpretation providing for interpretation against the drafting party. This
Agreement shall otherwise be interpreted and construed in accordance with the
laws of California and as set forth herein.

         6.       ENTIRE AGREEMENT

                  This Agreement, in conjunction with the 1995 Foundry
Agreement, contains the sole and entire agreement and understanding of the
parties with respect to the entire subject matter hereof, and any and all prior
discussions, negotiations, commitments and understandings related hereto are
hereby merged herein. No representations, oral or otherwise, express or implied,
other than those contained herein have been made by any party hereto. No other
agreements not specifically referred to herein, oral or otherwise, shall be
deemed to exist or to bind any of the parties hereto, once this Agreement and
the 1995 Foundry Agreement have been executed.

                                       11
<PAGE>   12

         7.   WAIVER, MODIFICATION AND AMENDMENT.

                  No provisions to this Agreement may be waived unless in
writing and signed by all parties hereto. A waiver of any one provision herein
shall not be deemed to be a waiver of any other provision herein. This Agreement
may be modified or amended only by a written agreement executed by both of the
parties hereto.

         8.   CONSTRUCTION AND JURISDICTION.

                  This Agreement shall be construed in accordance with the laws
of the State of California. In the event this Agreement must be enforced by a
court of law, the parties hereby stipulate to the jurisdiction of the United
States District Court, Northern District of California.

         9.       AUTHORITY.

                  The undersigned individuals execute this Agreement on behalf
of the parties hereto and represent and warrant that this Agreement shall be
binding on the parties hereto. The undersigned individuals further represent and
warrant that all necessary approvals and authorizations from each party's Board
of Directors has been obtained.

         10.      COUNTERPARTS.

                  This Agreement may be executed simultaneously in one or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

         11.      EFFECTIVE DATE OF AGREEMENT.

                  This Agreement shall not be effective until signed by all
parties.

                                       12
<PAGE>   13


DATE:  August 16, 1995                       DATE:  August 17, 1995

SEEQ TECHNOLOGY                              HUALON MICROELECTRONICS
INCORPORATED                                 CORPORATION

By  /s/ Phillip J. Salsbury                  By  /s/ Andrew Oung
    ------------------------------               -------------------------
Its  President and CEO                       Its  President and CEO
    ------------------------------               -------------------------


                                       13
<PAGE>   14

                                                                       EXHIBIT A

                                1995 AMENDMENT TO
                    TECHNOLOGY TRANSFER AND FOUNDRY AGREEMENT
                                       AND
                            CO-DEVELOPMENT AGREEMENT

                  This 1995 Amendment to Technology Transfer and Foundry
Agreement and Co-Development Agreement ("Agreement") is entered into as of
August 16, 1995 between SEEQ Technology Incorporated ("SEEQ"), a Delaware
corporation having a place of business at Fremont, California, and Hualon
Microelectronics Corporation, a Taiwanese corporation ("HMC") that has a place
of business at Hsinchu, Taiwan. This Agreement shall become effective on the
date (the "Effective Date") of execution of the Settlement Agreement, Release
and Tolling Agreement dated the date hereof entered into between SEEQ and HMC
("Settlement Agreement").

                                    RECITALS

         A.       SEEQ and HMC entered into a Technology Transfer and Foundry
Agreement dated as of July 16, 1990 (the "1990 Foundry Agreement") pursuant to
which HMC served as a foundry for SEEQ to manufacture certain logic and other
ICs.

         B.       The Parties entered into a Co-Development Agreement dated
February 24, 1992 (Co-Development Agreement.")

         C.       SEEQ and HMC have entered into the Settlement Agreement
pursuant to which SEEQ and HMC have agreed to settle certain disputes under the
1990 Foundry Agreement and the Co-Development

                                        1
<PAGE>   15


Agreement.

         D.       In connection with the implementation of the Settlement
Agreement, the parties desire to amend the terms and conditions of the 1990
Foundry Agreement and the Co-Development Agreement with respect to [*] Products
and [*] Processes;

         Accordingly, SEEQ and HMC agree to the following terms and conditions:

         1.       INTRODUCTION

                  1.1      This Agreement amends and modifies the 1990 Foundry
Agreement and the Co-Development Agreement. Except as amended hereby, each of
said agreements shall each remain in full force and effect. In the event of any
inconsistency or other conflict between this Agreement and either or both of the
1990 Foundry Agreement or the Co-Development Agreement, the terms of this
Agreement shall prevail, and the other agreement is deemed amended by this
Agreement.

                  1.2      Except as otherwise defined herein, capitalized terms
shall have the meanings given to them in the 1990 Foundry Agreement.

                  1.3      [*] Poducts means SEEQ's [*], [*] and [*] products.

                  1.4      [*] Process means the [*] CMOS 1.2-micron Process
that was delivered by SEEQ to HMC and subsequently modified and developed by HMC
and that is now known as [*].

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.

                                        2
<PAGE>   16


2.       FOUNDRY SERVICES

                  2.1      Minimum Wafer Foundering. Upon the terms and
conditions set forth herein, at SEEQ's request, HMC shall manufacture Articles
of [*] Products for delivery to SEEQ. HMC may also, but shall not be obligated
to, manufacture wafers for Products Developed by SEEQ in addition to the [*]
Products, as determined by the PARTIES. After execution of the Settlement
Agreement, HMC shall, upon request from SEEQ, based on a four (4) week month,
make wafer starts available to SEEQ at a minimum of (a) [*] 125-millimeter
wafers (or equivalents in other size wafers) started during the period from the
Effective Date through August 31, 1995, (b) [*] 125-millimeter wafer starts (or
equivalents in other size wafers) started per month (at the rate of
approximately [*] wafers per week) during the period from September 1, 1995
until the earlier of (i) the end of the term of the 1990 Foundry Agreement, or
(ii) the date in which the [*] Products have been qualified by SEEQ for
manufacture on the [*] Stepper, and (c) [*] 125-millimeter wafer starts (or
equivalents in other size wafers) started per month (at the rate of
approximately [*] wafers per week) during the period following the date on which
the [*] Products have been qualified by SEEQ for manufacture on the [*] Stepper.

                  2.2      Pricing. The initial prices per wafer of [*] Products
foundered by HMC shall be as set forth in Appendix B to

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.

                                        3
<PAGE>   17



the 1990 Foundry Agreement, which appendix is modified to read as set forth in
Appendix B hereto.

         3.       ROYALTIES

                  Neither HMC nor SEEQ shall be required to pay any royalty to
the other with respect to the sale of any of the [*] Products, including any
HMC-Improved or SEEQ-Improved version(s) of each such product, as the case may
be.

         4.       NOTICES

                  All notices given under the 1990 Foundry Agreement shall be in
writing and shall be sufficient if delivered in person or mailed, postage
prepaid, registered or certified mail, return receipt requested, or transmission
by telecopier with confirmation of receipt, to the PARTIES at the following
addresses:

SEEQ:                               SEEQ Technology Incorporated
                                    4200 Bayside Parkway
                                    Fremont, California 94538
                                    Attn: President and Chief Executive Officer
                                    Telecopier: (510) 657-2837

With a copy to:                     Brobeck, Phleger & Harrison
                                    One Market
                                    San Francisco, CA 94105
                                    Attn: Scott D. Lester, Esq.
                                    Telecopier: (415) 442-1010

HMC:                                Hualon Microelectronics Corporation
                                    6th Floor, Kua Hua Life Insurance Building
                                    42 Chung Shan North Road, Station 2
                                    Taipei, Taiwan
                                    Attn: President and CEO
                                    Telecopier: 886-2-531-3241

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.

                                        4
<PAGE>   18



With a copy to:                     Hanson, Bridgett, Marcus, Vlahos & Rudy
                                    333 Market Street, Suite 2300
                                    San Francisco, CA 94105
                                    Attn: William J. Bush, Esq.
                                    Telecopier: (415) 541-9366

         5.       YIELD IMPROVEMENT

                  HMC and SEEQ agree that both Parties shall work together
immediately following the Effective Date of this Agreement (a) to enable HMC to
return probe yields to the levels achieved during 1994 (i.e., in excess of [*]
die per wafer for the [*]) and (b) to thereafter continue to work together to
further improve yields in the manufacture of the SEEQ Products.

         6.       PAYMENTS FOR FOUNDRIED PRODUCTS

                  SEEQ shall pay for foundried Products, and shall pay for Mask
Generation Costs, all in accordance with Appendix B. SEEQ shall pay HMC all
amounts due under this Agreement within thirty (30) days after the receipt by
SEEQ of an invoice for such charges. HMC reserves the right to modify such
payment terms if any amount payable is sixty (60) days past due (unless such
amount is being contested in good faith), or if SEEQ has become insolvent or is
not able to pay its debts as they become due.

         7.       MINIMUM WAFER PURCHASE REQUIREMENTS

                  The Parties acknowledge that Paragraph 7.2 of the 1990
Foundry Agreement which deals with minimum wafer purchase requirements for SEEQ
shall no longer be applicable.

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.

                                        5
<PAGE>   19



         IN WITNESS WHEREOF, authorized officers or representatives of the
Parties have executed this Agreement on the dates entered below.

SEEQ TECHNOLOGY INCORPORATED              HUALON MICROELECTRONICS CORPORATION

By ___________________________            By _________________________
     ___________________                       _________________
     ___________________                       _________________


Date _________________________            Date _______________________


                                        6
<PAGE>   20

                                   APPENDIX B

                         [*] FOUNDRY DETAIL AND PRICING

1.       EVALUATION, QUALIFICATION, RISK AND PRICING

         1.1      Initial Pricing Terms.  The initial prices for the [*],
                  the [*] and the new [*] design shall be as set forth
                  below:

                  1.1.1    [*] Initial Pricing.  Initial pricing for the
                           [*] shall be [*] per wafer.

                  1.1.2    [*] Initial Pricing. Initial pricing for the [*]
                           shall be (i) [*] per sorted die (or [*] per die if
                           sorted at SEEQ) for all die invoiced prior to
                           December 31, 1995, and (ii) [*] per sorted die (or
                           [*] per die if sorted at SEEQ) for all die invoiced
                           after January 1, 1996.

                  1.1.3    [*] Initial Pricing. Initial pricing for SEEQ's new
                           [*] design shall be based on actual sort yields, when
                           available, and negotiated against an effective wafer
                           price target of [*] per wafer.

         1.2      Yield Improvements; Future Price Reductions. The PARTIES agree
                  that they will work diligently and with their respective best
                  efforts to achieve yield improvements in the manufacture of
                  the [*] Products hereunder. HMC agrees that, in consideration
                  for SEEQ's efforts in the attempt to improve such yields, HMC
                  will negotiate in good faith with SEEQ to reduce the prices
                  set forth above (i) for the [*] Product manufactured hereunder
                  so that SEEQ may obtain a share of the benefits of yield
                  improvements in excess of [*] die per wafer, and (ii) for the
                  [*] and [*] Products, the Parties shall share the benefits
                  over the base line yields to be agreed upon once mass
                  production of such Products commences.

         1.3      [*] Stepper. HMC shall take all required actions to bring the
                  [*] Stepper on-line as soon as possible following the
                  Effective Date to enable HMC to manufacture [*] Products
                  utilizing the [*] Stepper and


[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.


                                        7
<PAGE>   21



                  to enable HMC to achieve increased manufacturing capacity for
                  the [*] Products to be purchased by SEEQ. SEEQ and HMC agree
                  to develop a program immediately following the Effective Date
                  to accomplish this capacity increase. SEEQ agrees to take all
                  necessary actions to assist HMC to accomplish this capacity
                  increase.

         1.4      HMC Engineering Services.

                  1.4.1    HMC agrees to provide the engineering services to
                           build the mask sets and process engineering lots
                           required to update the [*] mask set and to bring the
                           [*] Stepper on-line to achieve increased capacity.
                           The new mask sets are to be used for the manufacture
                           of products for both SEEQ and HMC.

                  1.4.2    HMC agrees to provide the engineering services to
                           build the mask sets and process engineering lots
                           required to bring up the latest revision of the [*]
                           in HMC's manufacturing facility. The new mask sets
                           are to be used for the manufacture of products for
                           both SEEQ and HMC.

                  1.4.3    HMC agrees to provide the engineering services to
                           build the mask sets and process engineering lots
                           required to bring up the new [*] design in HMC's
                           manufacturing facility. The new mask sets are to be
                           used for the manufacture of products for both SEEQ
                           and HMC.

         1.5      Database Update. SEEQ shall update the [*] and [*] databases
                  for use by HMC in accordance with its contractual rights. Such
                  updates shall incorporate any present or future design
                  improvements completed by SEEQ during the term of this
                  Agreement and shall accommodate the use of the [*] Stepper, if
                  technically feasible.

         1.6      The [*]. SEEQ shall also provide to HMC the initial database
                  of the [*] Product, once it has been developed, and shall
                  provide database updates for the [*] Product during the term
                  of this Agreement. HMC shall not sell the [*] Product outside
                  of the Permitted Territories prior to the end of the term of
                  the 1990

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.

                                        8

<PAGE>   22



                  Foundry Agreement, provided, however, that prior to the end of
                  such term HMC may sell the [*] Product to its sakes agent or
                  representative who may not be located within the Permitted
                  Territories if such sale is solely for resale in the Permitted
                  Territories.

         1.7      NRE Payments. SEEQ shall pay Non-recurring Engineering ("NRE")
                  charges as follows:

                  1.7.1    SEEQ shall pay to HMC all NRE charges incurred to
                           establish [*] manufacturing in HMC's Facility, and
                           shall pay such charges within thirty (30) days after
                           receipt of an invoice therefor, as follows:

                           (a)      SEEQ shall pay to HMC [*] upon delivery to
                                    HMC of a completed mask set by the mask
                                    vendor;

                           (b)      SEEQ shall pay to HMC [*] upon delivery by
                                    HMC to SEEQ of eight (8) or more wafers from
                                    the first engineering lot under this
                                    Agreement;

                           (c)      SEEQ shall pay to HMC [*] upon delivery by
                                    HMC to SEEQ of eight (8) or more wafers from
                                    the second engineering lot under this
                                    Agreement.

                  1.7.2    SEEQ shall pay to HMC all NRE charges incurred to
                           transfer the [*] product for manufacturing in HMC's
                           Facility, and shall pay such charges within thirty
                           (30) days after receipt of an invoice therefor, as
                           follows:

                           (a)      SEEQ shall pay to HMC [*] upon delivery to
                                    HMC of a completed mask set by the mask
                                    vendor;

                           (b)      SEEQ shall pay to HMC [*] upon delivery by
                                    HMC to SEEQ of eight (8) or more wafers from
                                    the first engineering lot under this
                                    Agreement;

                           (c)      SEEQ shall pay to HMC [*] upon delivery

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.

                                        9
<PAGE>   23



                                    by HMC to SEEQ of eight (8) or more wafers
                                    from the second engineering lot under this
                                    Agreement.

                  1.7.3    SEEQ shall pay to HMC all NRE charges incurred to
                           transfer and for start-up of the [*] product for
                           manufacturing in HMC's Facility, and shall pay such
                           charges within thirty (30) days after receipt of an
                           invoice therefor, as follows:

                           (a)      SEEQ shall pay to HMC [*] upon delivery to
                                    HMC of a completed mask set by the mask
                                    vendor;

                           (b)      SEEQ shall pay to HMC [*] upon delivery by
                                    HMC to SEEQ of eight (8) or more wafers from
                                    the first engineering lot under this
                                    Agreement;

                           (c)      SEEQ shall pay to HMC [*] upon delivery by
                                    HMC to SEEQ of eight (8) or more wafers from
                                    the second engineering lot under this
                                    Agreement.

                  1.7.4    It is the intent of SEEQ and HMC that all NRE work to
                           be performed under this Agreement will be completed
                           by December 31, 1995, and that all NRE charges to be
                           paid by SEEQ under this Agreement will be paid by
                           December 31, 1995.

         1.8      Other Matters.

                  1.8.1    HMC acknowledges that SEEQ expects that the [*]
                           Process will be rapidly brought into control and will
                           yield consistently at wafer sort. HMC agrees to use
                           its best efforts, and SEEQ agrees to cooperate with
                           HMC, to ensure this is achieved.

                  1.8.2    Wafer acceptance is to be subject to normal e-test,
                           visual and workmanship criteria. The PARTIES shall
                           cooperate to determine these matters.

                  1.8.3    Scrap criteria and RMA policy on misprocessed


[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.

                                       10
<PAGE>   24


                           wafers must be competitive. The PARTIES shall
                           cooperate to determine these matters.

         1.9      E-Sort.

                  1.9.1    E-sort will be done either at SEEQ's facility in
                           Fremont, or at HMC's facility in Taiwan, and each
                           PARTY will have auditing rights for the E-sort
                           facility of the other PARTY during normal working
                           hours and with reasonable notice. Proposed changes of
                           software or hardware will follow the same procedure
                           as fab process changes.

                  1.9.2    All E-sort documentation will be maintained for 24
                           months. Each week, the E-sort area will provide the
                           following information to both PARTIES:

                           -        wafers received by lot number, product and
                                    date received

                           -        wafers E-sorted by lot number and date
                                    E-sorted

                           -        die yield by lot number and product

                           -        wafers waiting to be E-sorted by lot number
                                    and product.

                  1.9.3    At HMC's option, E-sort can be transferred to a
                           SEEQ-qualified HMC facility. Any change in die price
                           for HMC's E-sort will be determined by the PARTIES.


                                       11



<PAGE>   1



                             CONFIDENTIAL TREATMENT

                                                                  EXHIBIT 10.5.2

                                1995 AMENDMENT TO
                    TECHNOLOGY TRANSFER AND FOUNDRY AGREEMENT
                                       AND
                            CO-DEVELOPMENT AGREEMENT

                  This 1995 Amendment to Technology Transfer and Foundry
Agreement and Co-Development Agreement ("Agreement") is entered into as of
August 16, 1995 between SEEQ Technology Incorporated ("SEEQ"), a Delaware
corporation having a place of business at Fremont, California, and Hualon
Microelectronics Corporation, a Taiwanese corporation ("HMC") that has a place
of business at Hsinchu, Taiwan. This Agreement shall become effective on the
date (the "Effective Date") of execution of the Settlement Agreement, Release
and Tolling Agreement dated the date hereof entered into between SEEQ and HMC
("Settlement Agreement").

                                    RECITALS

         1.10 SEEQ and HMC entered into a Technology Transfer and Foundry
Agreement dated as of July 16, 1990 (the "1990 Foundry Agreement") pursuant to
which HMC served as a foundry for SEEQ to manufacture certain logic and other
ICs.

         1.11 The Parties entered into a Co-Development Agreement dated February
24, 1992 (Co-Development Agreement.")

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.



<PAGE>   2



         1.12 SEEQ and HMC have entered into the Settlement Agreement pursuant
to which SEEQ and HMC have agreed to settle certain disputes under the 1990
Foundry Agreement and the Co-Development Agreement.

         1.13 In connection with the implementation of the Settlement Agreement,
the parties desire to amend the terms and conditions of the 1990 Foundry
Agreement and the Co-Development Agreement with respect to [*] Products and [*]
Processes;

         Accordingly, SEEQ and HMC agree to the following terms and conditions:

         1.       INTRODUCTION

                  1.1 This Agreement amends and modifies the 1990 Foundry
Agreement and the Co-Development Agreement. Except as amended hereby, each of
said agreements shall each remain in full force and effect. In the event of any
inconsistency or other conflict between this Agreement and either or both of the
1990 Foundry Agreement or the Co-Development Agreement, the terms of this
Agreement shall prevail, and the other agreement is deemed amended by this
Agreement.

                  1.2 Except as otherwise defined herein, capitalized terms
shall have the meanings given to them in the 1990 Foundry Agreement.

                  1.3 [*] Products means SEEQ's [*], [*] and [*] products.

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.


<PAGE>   3



                  1.4 [*] Process means the [*] CMOS 1.2-micron Process that was
delivered by SEEQ to HMC and subsequently modified and developed by HMC and that
is now known as [*]. 

2. FOUNDRY SERVICES

                  2.1 Minimum Wafer Foundering. Upon the terms and conditions
set forth herein, at SEEQ's request, HMC shall manufacture Articles of [*]
Products for delivery to SEEQ. HMC may also, but shall not be obligated to,
manufacture wafers for Products Developed by SEEQ in addition to the [*]
Products, as determined by the PARTIES. After execution of the Settlement
Agreement, HMC shall, upon request from SEEQ, based on a four (4) week month,
make wafer starts available to SEEQ at a minimum of (a) [*] 125-millimeter
wafers (or equivalents in other size wafers) started during the period from the
Effective Date through August 31, 1995, (b) [*] 125-millimeter wafer starts (or
equivalents in other size wafers) started per month (at the rate of
approximately [*] wafers per week) during the period from September 1, 1995
until the earlier of (i) the end of the term of the 1990 Foundry Agreement, or
(ii) the date in which the [*] Products have been qualified by SEEQ for
manufacture on the [*] Stepper, and (c) [*] 125-millimeter wafer starts (or
equivalents in other size wafers) started per month (at the rate of
approximately [*] wafers per week) during the period following

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.

<PAGE>   4



the date on which the [*] Products have been qualified by SEEQ for manufacture
on the [*] Stepper.

                  2.2 Pricing. The initial prices per wafer of [*] Products
foundered by HMC shall be as set forth in Appendix B to the 1990 Foundry
Agreement, which appendix is modified to read as set forth in Appendix B hereto.

         3.       ROYALTIES

                  Neither HMC nor SEEQ shall be required to pay any royalty to
the other with respect to the sale of any of the [*] Products, including any
HMC-Improved or SEEQ-Improved version(s) of each such product, as the case may
be.

         4.       NOTICES

                  All notices given under the 1990 Foundry Agreement
shall be in writing and shall be sufficient if delivered in
person or mailed, postage prepaid, registered or certified mail,
return receipt requested, or transmission by telecopier with
confirmation of receipt, to the PARTIES at the following
addresses:
SEEQ:                               SEEQ Technology Incorporated
                                    4200 Bayside Parkway
                                    Fremont, California 94538
                                    Attn: President and Chief Executive Officer
                                    Telecopier: (510) 657-2837

With a copy to:            Brobeck, Phleger & Harrison
                                    One Market

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.


<PAGE>   5



                                    San Francisco, CA 94105
                                    Attn: Scott D. Lester, Esq.
                                    Telecopier: (415) 442-1010

HMC:                                Hualon Microelectronics Corporation
                                    6th Floor, Kua Hua Life Insurance Building
                                    42 Chung Shan North Road, Station 2
                                    Taipei, Taiwan
                                    Attn: President and CEO
                                    Telecopier: 886-2-531-3241

With a copy to:                     Hanson, Bridgett, Marcus, Vlahos & Rudy
                                    333 Market Street, Suite 2300
                                    San Francisco, CA 94105
                                    Attn: William J. Bush, Esq.
                                    Telecopier: (415) 541-9366

         5.       YIELD IMPROVEMENT

                  HMC and SEEQ agree that both Parties shall work together
immediately following the Effective Date of this Agreement (a) to enable HMC to
return probe yields to the levels achieved during 1994 (i.e., in excess of [*]
die per wafer for the [*]) and (b) to thereafter continue to work together to
further improve yields in the manufacture of the SEEQ Products.

         6.       PAYMENTS FOR FOUNDRIED PRODUCTS

                  SEEQ shall pay for foundried Products, and shall pay for Mask
Generation Costs, all in accordance with Appendix B. SEEQ shall pay HMC all
amounts due under this Agreement within thirty (30) days after the receipt by
SEEQ of an invoice for such charges. HMC reserves the right to modify such
payment terms if any amount payable is sixty (60) days past due (unless such

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.
<PAGE>   6



amount is being contested in good faith), or if SEEQ has become insolvent or is
not able to pay its debts as they become due.

         7.       MINIMUM WAFER PURCHASE REQUIREMENTS

                  The Parties acknowledge that Paragraph 7.2 of the 1990 Foundry
Agreement which deals with minimum wafer purchase requirements for SEEQ shall no
longer be applicable.

         IN WITNESS WHEREOF, authorized officers or representatives of the
Parties have executed this Agreement on the dates entered below.

SEEQ TECHNOLOGY INCORPORATED              HUALON MICROELECTRONICS CORPORATION

By ___________________________            By ___________________________
     ____________________                      ____________________     
     ____________________                      ____________________     
                                            

Date _______________________              Date _______________________


<PAGE>   7



                                   APPENDIX B

                         [*] FOUNDRY DETAIL AND PRICING

1.       EVALUATION, QUALIFICATION, RISK AND PRICING

         1.1      Initial Pricing Terms.  The initial prices for the [*],
                  the [*] and the new [*] design shall be as set forth
                  below:

                  1.1.1    [*] Initial Pricing.  Initial pricing for the
                           [*] shall be [*] per wafer.

                  1.1.2    [*] Initial Pricing. Initial pricing for the [*]
                           shall be (i) [*] per sorted die (or [*] per die if
                           sorted at SEEQ) for all die invoiced prior to
                           December 31, 1995, and (ii) [*] per sorted die (or
                           [*] per die if sorted at SEEQ) for all die invoiced
                           after January 1, 1996.

                  1.1.3    [*] Initial Pricing. Initial pricing for SEEQ's new
                           [*] design shall be based on actual sort yields, when
                           available, and negotiated against an effective wafer
                           price target of [*] per wafer.

         1.2      Yield Improvements; Future Price Reductions. The PARTIES agree
                  that they will work diligently and with their respective best
                  efforts to achieve yield improvements in the manufacture of
                  the [*] Products hereunder. HMC agrees that, in consideration
                  for SEEQ's efforts in the attempt to improve such yields, HMC
                  will negotiate in good faith with SEEQ to reduce the prices
                  set forth above (i) for the [*] Product manufactured hereunder
                  so that SEEQ may obtain a share of the benefits of yield
                  improvements in excess of [*] die per wafer, and (ii) for the
                  [*] and [*] Products, the Parties shall share the benefits
                  over the base line yields to be agreed upon once mass
                  production of such Products commences.

         1.3      [*] Stepper. HMC shall take all required actions to bring the
                  [*] Stepper on-line as soon as possible following the
                  Effective Date to enable HMC to

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.

 

<PAGE>   8



                  manufacture [*] Products utilizing the [*] Stepper and to
                  enable HMC to achieve increased manufacturing capacity for the
                  [*] Products to be purchased by SEEQ. SEEQ and HMC agree to
                  develop a program immediately following the Effective Date to
                  accomplish this capacity increase. SEEQ agrees to take all
                  necessary actions to assist HMC to accomplish this capacity
                  increase.

         1.4      HMC Engineering Services.

                  1.4.1    HMC agrees to provide the engineering services to
                           build the mask sets and process engineering lots
                           required to update the [*] mask set and to bring the
                           [*] Stepper on-line to achieve increased capacity.
                           The new mask sets are to be used for the manufacture
                           of products for both SEEQ and HMC.

                  1.4.2    HMC agrees to provide the engineering services to
                           build the mask sets and process engineering lots
                           required to bring up the latest revision of the [*]
                           in HMC's manufacturing facility. The new mask sets
                           are to be used for the manufacture of products for
                           both SEEQ and HMC.

                  1.4.3    HMC agrees to provide the engineering services to
                           build the mask sets and process engineering lots
                           required to bring up the new [*] design in HMC's
                           manufacturing facility. The new mask sets are to be
                           used for the manufacture of products for both SEEQ
                           and HMC.

         1.5      Database Update. SEEQ shall update the [*] and [*] databases
                  for use by HMC in accordance with its contractual rights. Such
                  updates shall incorporate any present or future design
                  improvements completed by SEEQ during the term of this
                  Agreement and shall accommodate the use of the [*] Stepper, if
                  technically feasible.

         1.6      The [*].  SEEQ shall also provide to HMC the initial
                  database of the [*] Product, once it has been
                  developed, and shall provide database updates for the
                  [*] Product during the term of this Agreement.  HMC

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.



<PAGE>   9



                  shall not sell the [*] Product outside of the Permitted
                  Territories prior to the end of the term of the 1990 Foundry
                  Agreement, provided, however, that prior to the end of such
                  term HMC may sell the [*] Product to its sakes agent or
                  representative who may not be located within the Permitted
                  Territories if such sale is solely for resale in the Permitted
                  Territories.

         1.7      NRE Payments.  SEEQ shall pay Non-recurring Engineering
                  ("NRE") charges as follows:

                  1.7.1    SEEQ shall pay to HMC all NRE charges incurred to
                           establish [*] manufacturing in HMC's Facility, and
                           shall pay such charges within thirty (30) days after
                           receipt of an invoice therefor, as follows:

                           (a)      SEEQ shall pay to HMC [*] upon delivery to
                                    HMC of a completed mask set by the mask
                                    vendor;

                           (b)      SEEQ shall pay to HMC [*] upon delivery by
                                    HMC to SEEQ of eight (8) or more wafers from
                                    the first engineering lot under this
                                    Agreement;

                           (c)      SEEQ shall pay to HMC [*] upon delivery by
                                    HMC to SEEQ of eight (8) or more wafers from
                                    the second engineering lot under this
                                    Agreement.

                  1.7.2    SEEQ shall pay to HMC all NRE charges incurred to
                           transfer the [*] product for manufacturing in HMC's
                           Facility, and shall pay such charges within thirty
                           (30) days after receipt of an invoice therefor, as
                           follows:

                           (a)      SEEQ shall pay to HMC [*] upon delivery to
                                    HMC of a completed mask set by the mask
                                    vendor;

                           (b)      SEEQ shall pay to HMC [*] upon delivery by
                                    HMC to SEEQ of eight (8) or more wafers from
                                    the first engineering lot

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.


<PAGE>   10



                                    under this Agreement;

                           (c)      SEEQ shall pay to HMC [*] upon delivery by
                                    HMC to SEEQ of eight (8) or more wafers from
                                    the second engineering lot under this
                                    Agreement.

                  1.7.3    SEEQ shall pay to HMC all NRE charges incurred to
                           transfer and for start-up of the [*] product for
                           manufacturing in HMC's Facility, and shall pay such
                           charges within thirty (30) days after receipt of an
                           invoice therefor, as follows:

                           (a)      SEEQ shall pay to HMC [*] upon delivery to
                                    HMC of a completed mask set by the mask
                                    vendor;

                           (b)      SEEQ shall pay to HMC [*] upon delivery by
                                    HMC to SEEQ of eight (8) or more wafers from
                                    the first engineering lot under this
                                    Agreement;

                           (c)      SEEQ shall pay to HMC [*] upon delivery by
                                    HMC to SEEQ of eight (8) or more wafers from
                                    the second engineering lot under this
                                    Agreement.

                  1.7.4    It is the intent of SEEQ and HMC that all NRE work to
                           be performed under this Agreement will be completed
                           by December 31, 1995, and that all NRE charges to be
                           paid by SEEQ under this Agreement will be paid by
                           December 31, 1995.

         1.8      Other Matters.

                  1.8.1    HMC acknowledges that SEEQ expects that the [*]
                           Process will be rapidly brought into control and will
                           yield consistently at wafer sort. HMC agrees to use
                           its best efforts, and SEEQ agrees to cooperate with
                           HMC, to ensure this is achieved.

                  1.8.2    Wafer acceptance is to be subject to normal
                           e-test, visual and workmanship criteria.  The

[*] INDICATES THAT MATERIAL HAS BEEN OMITTED AND CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED THEREFOR. ALL SUCH OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO RULE 24b-2.


<PAGE>   11


                           PARTIES shall cooperate to determine these matters.

                  1.8.3    Scrap criteria and RMA policy on misprocessed wafers
                           must be competitive. The PARTIES shall cooperate to
                           determine these matters.

         1.9      E-Sort.

                  1.9.1    E-sort will be done either at SEEQ's facility in
                           Fremont, or at HMC's facility in Taiwan, and each
                           PARTY will have auditing rights for the E-sort
                           facility of the other PARTY during normal working
                           hours and with reasonable notice. Proposed changes of
                           software or hardware will follow the same procedure
                           as fab process changes.

                  1.9.2    All E-sort documentation will be maintained for 24
                           months. Each week, the E-sort area will provide the
                           following information to both PARTIES:

                           -        wafers received by lot number, product and
                                    date received

                           -        wafers E-sorted by lot number and date
                                    E-sorted

                           -        die yield by lot number and product

                           -        wafers waiting to be E-sorted by lot number
                                    and product.

                  1.9.3    At HMC's option, E-sort can be transferred to a
                           SEEQ-qualified HMC facility. Any change in die price
                           for HMC's E-sort will be determined by the PARTIES.



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