Patent ID: 7087144
Filing Date: 2006-08-08
Classification: C25D

Abstract:
1. A contact ring for an electrochemical plating system, comprising: an upper ring member; a lower ring member secured to the upper ring member via a plurality of support members, the lower ring member having an inwardly extending flange; a plurality of vertically flexible conductive contact pins extending radially inward from the lower ring member; an electrically insulating layer covering the plurality of the vertically flexible conductive contact pins; a plurality of conductive tip members affixed to a terminating end of each of the plurality of vertically flexible conductive contact pins, wherein the conductive tip members extend radially inward from each of the vertically flexible conductive contact pins; and an annular bump member formed onto an upper surface of the lower ring member, the annular bump member being configured to engage an annular seal member attached to a thrust plate assembly.