EX-3.8 CERTIFICATE OF CHANGE OF REGISTERED AGENT & REGISTERED OFFICE

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                                                                     Exhibit 3.8

                    CERTIFICATE OF CHANGE OF REGISTERED AGENT

                                       AND

                                REGISTERED OFFICE

                                     * * * * *

Brooks-PRI Automation, Inc., a corporation organized and existing under and by

virtue of the General Corporation Law of the State of Delaware

DOES HEREBY CERTIFY:

      That the registered office of the corporation in the state of Delaware is

hereby changed to Corporation Trust Center, 1209 Orange Street, in the City of

Wilmington