EXHIBIT 99.1

                    CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Stephen J. Verleye, Chief Executive Officer of Applied Microsystems
Corporation (the "Registrant"), do hereby certify in accordance with 18 U.S.C.
1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002,
that:

         (1) the Annual Report on Form 10-K of the Registrant, to which this
         certification is attached as an exhibit (the "Report"), fully complies
         with the requirements of Section 13(a) of the Securities Exchange Act
         of 1934 (15 U.S.C. 78m); and

         (2) the information contained in the Report fairly presents, in all
         material respects, the financial condition and results of operations of
         the Registrant.

Dated: March 28, 2003                                   /s/  Stephen J. Verleye
                                                        ------------------------

                                                        Stephen J. Verleye
                                                        Chief Executive Officer