Mechanical fastener to hold a polishing pad on a platen in a che

Abrading – Machine – Rotary tool

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Details

451 41, 451 60, 451921, 451288, 403321, 285320, B24B 500

Patent

active

059317248

ABSTRACT:
A chemical mechanical polishing apparatus includes a rotatable platen for receiving a polishing pad. The polishing pad is attached to a polishing pad support plate. The polishing pad support plate is removably secured to the platen by a fastening assembly.

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