EXHIBIT 32.1

      CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
                                   PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

     I, Kevin Fairbairn, certify, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual
Report of Intevac, Inc. on Form 10-K for the period ended December 31, 2003
fully complies with the requirements of Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 and that information contained in such Form 10-K fairly
presents in all material respects the financial condition and results of
operations of Intevac, Inc.

                             By: /s/ KEVIN FAIRBAIRN
                                 ----------------------------
                             Name:   Kevin Fairbairn
                             Title: President, Chief Executive
                                    Officer and Director

     I, Charles B. Eddy III, certify, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the
Annual Report of Intevac, Inc. on Form 10-K for the period ended December 31,
2003 fully complies with the requirements of Section 13(a) or 15(d) of the
Securities Exchange Act of 1934 and that information contained in such Form 10-K
fairly presents in all material respects the financial condition and results of
operations of Intevac, Inc.

                             By: /s/ CHARLES B. EDDY III
                                 ------------------------------
                             Name:   Charles B. Eddy III
                             Title:  Vice President, Finance and Administration,
                                     Chief Financial Officer, Treasurer and
                                     Secretary

     A signed original of this written statement required by Section 906 has
been provided to Intevac, Inc. and will be retained by Intevac, Inc. and
furnished to the Securities and Exchange Commission or its staff upon request.