EXHIBIT 99.1


                                IXYS CORPORATION


                   PROXY SOLICITED BY THE BOARD OF DIRECTORS


                    FOR THE SPECIAL MEETING OF STOCKHOLDERS



                          TO BE HELD ON JUNE 10, 2002




The undersigned hereby appoints Nathan Zommer and Arnold P. Agbayani and each of
them, as attorneys and proxies of the undersigned, with full power of
substitution, to vote all of the shares of stock of IXYS Corporation, a Delaware
corporation, that the undersigned may be entitled to vote at the special meeting
of IXYS stockholders to be held at The Embassy Suites Hotel, 2885 Lakeside
Drive, Santa Clara, California, 95054 on June 10, 2002 at 10:00 a.m., local
time, and at any and all postponements, continuations and adjournments thereof,
with all powers that the undersigned would possess if personally present, upon
and in respect of the following matters and in accordance with the following
instructions.



UNLESS A CONTRARY DIRECTION IS INDICATED, THIS PROXY WILL BE VOTED FOR PROPOSAL
1 AS MORE SPECIFICALLY DESCRIBED IN THE JOINT PROXY STATEMENT/PROSPECTUS. IF
SPECIFIC INSTRUCTIONS ARE INDICATED, THIS PROXY WILL BE VOTED IN ACCORDANCE
THEREWITH.

             (Continued, and to be dated and signed on other side)



THE IXYS BOARD OF DIRECTORS RECOMMENDS A VOTE FOR PROPOSAL 1.


PROPOSAL 1:      To approve the issuance of IXYS common stock in the merger of
                 Teacup Acquisition Corp., a wholly-owned subsidiary of IXYS,
                 with and into Clare, Inc. pursuant to an Agreement and Plan of
                 Merger and Reorganization dated as of April 22, 2002, by and
                 among IXYS, Teacup Acquisition Corp. and Clare.


                 [_] For        [_] Abstain        [_] Against


No matters other than those described in the joint proxy statement/prospectus
will be presented at the special meeting of IXYS stockholders.


Dated [               ], 2002


Signature(s):


Please date this proxy and sign your name exactly as it appears hereon. If the
stock is registered in the names of two or more persons, each should sign.
Executors, administrators, trustees, guardians and attorneys-in-fact should add
their titles. If signer is a corporation, please give full corporate name and
have a duly authorized officer sign, stating title. If signer is a partnership,
please sign in partnership name by authorized person.


Please vote, date and promptly return this proxy in the enclosed return
envelope, which is postage prepaid if mailed in the United States.