Invention Application
US20150235892A1 WAFER CLAMP FOR CONTROLLING WAFER BOWING AND FILM STRESS 审中-公开
用于控制波浪和薄膜应力的波形夹

WAFER CLAMP FOR CONTROLLING WAFER BOWING AND FILM STRESS
Abstract:
A wafer clamp according to one embodiment includes an outer ring, and at least three members extending inwardly from the outer ring, each of the members having a contact area for engaging a wafer. A system includes a structure having at least one ring, each ring being for receiving a wafer, and a wafer clamp configured to clamp a wafer to each ring, the wafer clamp having an outer ring, and at least three members extending inwardly from the outer ring, each of the members having a contact area for engaging a wafer.
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