Patent ID: 6689264
Filing Date: 2004-02-10
Classification: H01L

Abstract:
A wafer clamp assembly, comprising:a cylindrical body extending along an axis between opposed first and second ends; a shaft extending along the axis from the first end to a shaft end; a washer comprising an opening wall around an opening therein, and wherein a first feature is arranged around an inner surface of the opening wall; and a second feature arranged around an outer surface of the shaft, wherein the second feature is configured to mate with the first feature such that the opening wall of the washer is securely affixed to an outer surface of the shaft and movement of the washer along the shaft towards and away from the body is inhibited and such that the washer is removable from the shaft without breaking the washer or the shaft, the assembly being configured to retain a wafer clamp moveably secured to an electrode of a processing tool between the body and the washer after mating of the first and second features.