发明名称 RETAINING RING FOR HOLDING SEMICONDUCTOR WAFERS IN A CHEMICAL-MECHANICAL POLISHING DEVICE
摘要 A retaining ring to be fitted on a chemical mechanical polishing apparatus for semiconductor wafers is disclosed, the retaining ring being of integral design made of a plastic material, wherein the retaining ring forms on a first front side thereof a bearing surface for supporting the retaining ring on a polishing surface of the polishing apparatus, and includes on the side thereof lying opposite the first front side thereof in axial direction fitting elements for fitting the retaining ring on the polishing apparatus.
申请公布号 AU2003287956(A1) 申请公布日期 2004.05.04
申请号 AU20030287956 申请日期 2003.10.01
申请人 ENSINGER KUNSTSTOFFTECHNOLOGIE GBR 发明人 WILFRIED ENSINGER
分类号 B24B37/04;B24B37/30;B24B37/32;B24B41/06;(IPC1-7):B24B41/00 主分类号 B24B37/04
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