EXHIBIT 23.02

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement (Form
S-8) pertaining to the 2000 Combination Stock Option Plan of our report dated
March 3, 2000, except for Note 4 as to which the date is March 31, 2000, with
respect to the financial statements of Irvine Optical Company, LLC for the years
ended December 31, 1999 and 1998 included in the Annual Report (Form 10-K/A) of
Brooks Automation, Inc. for the year ended September 30, 2001, filed with the
Securities and Exchange Commission.


                                                    /s/ Ernst & Young LLP
                                                    -------------------------
Woodland Hills, California
May 10, 2002










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