UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 2)
Micrion Corporation
(Name of Issuer)
Common Stock, no par value
(Title of Class of Securities)
59479P-10-2
(CUSIP Number)
Check the following box if a fee is being paid with this
statement [ ]. (A fee is not required only if the filing
person: (1) has a previous statement on file reporting
beneficial ownership of more than five percent of the class
of securities described in Item 1; and (2) has filed no
amendment subsequent thereto reporting beneficial ownership
of five percent or less of such class.) (See Rule 13d-7).
*The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect
to the subject class of securities, and for any subsequent
amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page
shall not be deemed to be "filed" for the purpose of
Section 18 of the Securities Exchange Act of 1934 ("Act") or
otherwise subject to the liabilities of that section of the
Act but shall be subject to all other provisions of the Act
(however, see the Notes).<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 2 of 26
1 Name Of Reporting Person H&Q LONDON VENTURES
IRS Identification No. Of Above Person 94-2966540
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
England
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH -0-
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
-0-
9 Aggregate Amount Beneficially Owned By Each Reporting Person
-0-
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
0.0%
12 Type Of Reporting Person
PN<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 3 of 26
1 Name Of Reporting Person H&Q VENTURES INTERNATIONAL C.V.
IRS Identification No. Of Above Person 98-0059340
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
Netherlands Antilles
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
PN
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 4 of 26
1 Name Of Reporting Person H&Q VENTURES III
IRS Identification No. Of Above Person 94-2740985
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
PN
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 5 of 26
1 Name Of Reporting Person H&Q VENTURES IV
IRS Identification No. Of Above Person 94-2940347
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
PN
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 6 of 26
1 Name Of Reporting Person ANGLO-CONTINENTAL VENTURE INVESTORS (BVI)
LIMITED
IRS Identification No. Of Above Person 98-0105345
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
British Virgin Islands
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
CO
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 7 of 26
1 Name Of Reporting Person H&Q ALLIANCE FUND
IRS Identification No. Of Above Person 94-2936823
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
PN
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 8 of 26
1 Name Of Reporting Person HAMQUIST
IRS Identification No. Of Above Person 94-2800484
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
PN
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 9 of 26
1 Name Of Reporting Person H&Q INVESTORS
IRS Identification No. Of Above Person 94-2917768
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
PN
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 10 of 26
1 Name Of Reporting Person H&Q NOVA 1983
IRS Identification No. Of Above Person 94-2917769
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH -0-
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
-0-
9 Aggregate Amount Beneficially Owned By Each Reporting Person
-0-
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
0.0%
12 Type Of Reporting Person
PN<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 11 of 26
1 Name Of Reporting Person H&Q MICRION INVESTORS, L.P.
IRS Identification No. Of Above Person
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
PN
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 12 of 26
1 Name Of Reporting Person HAMBRECHT & QUIST GUARANTY FINANCE, L.P.
IRS Identification No. Of Above Person
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
PN
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 13 of 26
1 Name Of Reporting Person GUARANTY FINANCE MANAGEMENT CORP.
IRS Identification No. Of Above Person
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
CO
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 14 of 26
1 Name Of Reporting Person HAMBRECHT & QUIST VENTURES PARTNERS
IRS Identification No. Of Above Person 94-2949080
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EAC H 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
PN
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 15 of 26
1 Name Of Reporting Person H&Q MANAGEMENT CORPORATION
IRS Identification No. Of Above Person
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
CO
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 16 of 26
1 Name Of Reporting Person RVR SECURITIES CORP.
IRS Identification No. Of Above Person 94-3181298
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
CO
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 17 of 26
1 Name Of Reporting Person HAMBRECHT & QUIST GROUP
IRS Identification No. Of Above Person 94-2856927
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
California
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
CO
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 18 of 26
1 Name Of Reporting Person WILLIAM R. HAMBRECHT
IRS Identification No. Of Above Person ###-##-####
2 Check The Appropriate Box If A Member Of A Group (a) [ ]
(b) [x]
3 SEC USE ONLY
4 Citizenship Or Place Of Organization
United States
5 Sole Voting Power
-0-
NUMBER OF
SHARES 6 Shared Voting Power
BENEFICIALLY
OWNED BY EACH 725,558*
REPORTING
PERSON WITH 7 Sole Dispositive Power
-0-
8 Shared Dispositive Power
725,558*
9 Aggregate Amount Beneficially Owned By Each Reporting Person
725,558*
10 Check Box If The Aggregate Amount In Row (9) Excludes Certain
Shares* [ ]
11 Percent Of Class Represented By Amount In Row 9
18.0%*
12 Type Of Reporting Person
IN
* See Item 4 below<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 19 of 26
Item 1(a). Name of Issuer.
Micrion Corporation (the "Issuer").
Item 1(b). Address of Issuer's Principal Executive
Offices.
One Corporation Way, Peabody, MA 01960.
Item 2(a). Names of Persons Filing.
Reference is made to Item 1 of each of the cover
pages of this Amendment, which Items are incorporated by
reference herein.
Item 2(b). Address of Principal Business Office or, if
none, Residence.
The address of each reporting person is One Bush
Street, San Francisco, California 94104.
Item 2(c). Citizenship.
Reference is made to Item 4 of each of the cover
pages of this Amendment, which Items are incorporated by
reference herein.
Item 2(d). Title of Class of Securities.
Common Stock, no par value ("Common Stock").
Item 2(e). CUSIP Number.
59479P-10-2
Item 3. Type of Reporting Person.
Not applicable.
Item 4. Ownership.
Reference is hereby made to Items 5-9 and 11 of
each of the cover pages to this Amendment, which Items are
incorporated by reference herein. According to information
furnished to the reporting persons by the Issuer, there were
4,028,814 shares of Common Stock issued and outstanding as of
June 30, 1996. At June 30, 1996, the following shares of
Common Stock were held directly by the following persons:<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 20 of 26
Common Stock
Person Directly Owned
H&Q London Ventures -0-
H&Q Ventures International C.V. 109,631
H&Q Ventures III 63,195
H&Q Ventures IV 136,921
Anglo-Continental Venture
Investors (BVI) Limited 18
H&Q Alliance Fund 2
Hamquist 16
H&Q Investors 12
H&Q Nova 1983 -0-
H&Q Micrion Investors, L.P. 154,239
H&Q Guaranty Finance, L.P. 89,000
Hambrecht & Quist Group 86,255
William R. Hambrecht 19,602
_______
Subtotal 658,891
=======
In addition, RVR Securities Corp. has a warrant
that is currently exercisable to purchase 66,667 shares of
Common Stock.
Because voting and investment decisions concerning
the above securities may be made by or in conjunction with
Hambrecht & Quist Venture Partners, Guaranty Finance
Management Corporation, H&Q Management Corporation,
Hambrecht & Quist Group and William R. Hambrecht, each of the
reporting persons may be deemed a member of a group that
shares voting and dispositive power over all of the above
securities. Although the reporting persons are reporting
such securities as if they were members of a group, the
filing of this Amendment shall not be construed as an
admission by any reporting person that it is a beneficial
owner of any securities other than those directly held by
such reporting person.<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 21 of 26
Under the definition of "beneficial ownership" in
Rule 13d-3 under the Securities Exchange Act of 1934, it is
also possible that the individual general partners of
Hambrecht & Quist Venture Partners and/or the directors and
executive officers of Hambrecht & Quist Group or other
entities might be deemed the "beneficial owners" of some or
all of the securities to which this Amendment relates in that
they might be deemed to share the power to direct the voting
or disposition of such securities. Neither the filing of
this Amendment nor any of its contents shall be deemed to
constitute an admission that any of such individuals is, for
any purpose, the beneficial owner of any of the securities to
which this Amendment relates, and such beneficial ownership
is expressly disclaimed.
This Amendment does not include shares of Common
Stock, if any, held by Hambrecht & Quist LLC in its trading
account if it is a market maker in the Issuer's Common Stock.
Item 5. Ownership of Five Percent or Less of a Class.
Not applicable.
Item 6. Ownership of More Than Five Percent on Behalf of
Another Person.
Not applicable.
Item 7. Identification and Classification of the Subsidiary
Which Acquired the Security Being Reported on by
the Parent Holding Company.
Not applicable.
Item 8. Identification and Classification of Members of the
Group.
Not applicable.
Item 9. Notice of Dissolution of Group.
Not applicable.
Item 10. Certification.
Not applicable.<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 22 of 26
Signature
After reasonable inquiry and to the best of their
knowledge and belief, the undersigned certify that the
information set forth in this statement is true, complete and
correct.
DATED: July 31, 1996.
H&Q LONDON VENTURES ANGLO-CONTINENTAL VENTURE
INVESTORS (BVI) LIMITED
By: /s/ Jackie A.Berterrectche
__________________________ By: /s/ Jackie A. Berterrectche
Jackie A. Berterretche ___________________________
Attorney-in-Fact Jackie A. Berterretche
Attorney-in-Fact
H&Q VENTURES INTERNATIONAL,
C.V. H&Q ALLIANCE FUND
By: /s/ Jackie A. Berterrectche By: /s/ Jackie A. Berterrectche
___________________________ ___________________________
Jackie A. Berterretche Jackie A. Berterretche
Attorney-in-Fact Attorney-in-Fact
H&Q VENTURES III HAMQUIST
By: /s/ Jackie A. Berterrectche
By: /s/ Jackie A. Berterrectche ___________________________
___________________________ Jackie A. Berterretche
Jackie A. Berterretche Attorney-in-Fact
Attorney-in-Fact
H&Q INVESTORS
H&Q VENTURES IV
By: /s/ Jackie A. Berterrectche
By: /s/ Jackie A. Berterrectche ___________________________
___________________________ Jackie A. Berterretche
Jackie A. Berterretche Attorney-in-Fact
Attorney-in-Fact<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 23 of 26
H&Q NOVA 1983 H&Q MANAGEMENT CORPORATION
By: /s/ Jackie A. Berterrectche By: /s/ Jackie A. Berterrectche
___________________________ ___________________________
Jackie A. Berterretche Jackie A. Berterretche
Attorney-in-Fact Attorney-in-Fact
H&Q MICRION INVESTORS, L.P. RVR SECURITIES CORP.
By: /s/ Jackie A. Berterrectche By: /s/ William Timken
___________________________ ___________________________
Jackie A. Berterretche William Timken
Attorney-in-Fact President
HAMBRECHT & QUIST GUARANTY
FINANCE, L.P. HAMBRECHT & QUIST GROUP
By: /s/ Steve Machtinger By: /s/ Jackie A. Berterrectche
___________________________ ___________________________
Steve Machtinger Jackie A. Berterretche
Vice President of GP Attorney-in-Fact
GUARANTY FINANCE MANAGEMENT WILLIAM R. HAMBRECHT
CORP.
By: /s/ Jackie A. Berterrectche
By: /s/ Steve Machtinger ___________________________
___________________________ Jackie A. Berterretche
Steve Machtinger Attorney-in-Fact
Vice President of GP
HAMBRECHT & QUIST VENTURE
PARTNERS
By: /s/ Jackie A. Berterrectche
___________________________
Jackie A. Berterretche
Attorney-in-Fact<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 24 of 26
EXHIBIT INDEX
Exhibit A Joint Filing Undertaking Page 25<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 25 of 26
JOINT FILING UNDERTAKING
The undersigned, being duly authorized thereunto,
hereby execute this agreement as an exhibit to this Amendment to
Schedule 13G to evidence the agreement of the below-named
parties, in accordance with rules promulgated pursuant to the
Securities Exchange Act of 1934, to file this Amendment and any
subsequent amendment jointly on behalf of each of such parties.
DATED: July 31, 1996.
H&Q LONDON VENTURES ANGLO-CONTINENTAL VENTURE
INVESTORS (BVI) LIMITED
By: /s/ Jackie A. Berterretche
__________________________ By: /s/ Jackie A. Berterretche
Jackie A. Berterretche __________________________
Attorney-in-Fact Jackie A. Berterretche
Attorney-in-Fact
H&Q VENTURES INTERNATIONAL,
C.V. H&Q ALLIANCE FUND
By: /s/ Jackie A. Berterretche By: /s/ Jackie A. Berterretche
__________________________ __________________________
Jackie A. Berterretche Jackie A. Berterretche
Attorney-in-Fact Attorney-in-Fact
HAMQUIST
H&Q VENTURES III
By: /s/ Jackie A. Berterretche By: /s/ Jackie A. Berterretche
__________________________ __________________________
Jackie A. Berterretche Jackie A. Berterretche
Attorney-in-Fact Attorney-in-Fact
H&Q VENTURES IV H&Q INVESTORS
By: /s/ Jackie A. Berterretche
__________________________ By: /s/ Jackie A. Berterretche
Jackie A. Berterretche __________________________
Attorney-in-Fact Jackie A. Berterretche
Attorney-in-Fact<PAGE>
CUSIP No. 59479P-10-2 SCHEDULE 13G Page 26 of 26
H&Q NOVA 1983 H&Q MANAGEMENT CORPORATION
By: /s/ Jackie A. Berterretche By: /s/ Jackie A. Berterretche
__________________________ __________________________
Jackie A. Berterretche Jackie A. Berterretche
Attorney-in-Fact Attorney-in-Fact
H&Q MICRION INVESTORS, L.P. RVR SECURITIES CORP.
By: /s/ Jackie A. Berterretche By: /s/ William Tinken
__________________________ _________________________
Jackie A. Berterretche William Tinken
Attorney-in-Fact President
HAMBRECHT & QUIST GUARANTY HAMBRECHT & QUIST GROUP
FINANCE, L.P.
By: /s/ Jackie A. Berterretche
By: /s/ Steve Machtinger __________________________
__________________________ Jackie A. Berterretche
Steve Machtinger Attorney-in-Fact
Vice President of GP
GUARANTY FINANCE MANAGEMENT WILLIAM R. HAMBRECHT
CORP.
By: /s/ Jackie A. Berterretche
By: /s/ Steve Machtinger __________________________
__________________________ Jackie A. Berterretche
Steve Machtinger Attorney-in-Fact
Vice President
HAMBRECHT & QUIST VENTURE
PARTNERS
By: /s/ Jackie A. Berterretche
__________________________
Jackie A. Berterretche
Attorney-in-Fact<PAGE>
