发明名称 Carrier head with a removable retaining ring for a chemical mechanical polishing apparatus
摘要 A carrier head for a chemical mechanical polishing apparatus includes a detachable retaining ring which may be used for centering the substrate during substrate loading.
申请公布号 US5993302(A) 申请公布日期 1999.11.30
申请号 US19970002213 申请日期 1997.12.31
申请人 APPLIED MATERIALS, INC. 发明人 CHEN, HUNG;ZUNIGA, STEVEN M.
分类号 B24B37/00;B24B37/04;B24B41/06;H01L21/304;(IPC1-7):B24B29/00 主分类号 B24B37/00
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