发明名称 Holding a polishing pad on a platen in a chemical mechanical polishing system
摘要 <p>The disclosure relates to a chemical mechanical polishing apparatus which includes a rotatable platen (30) having a surface for receiving a polishing pad (32) and a passageway (220, 232) passing therethrough to the surface. A pump (200) evacuates air from the passageway to hold the polishing pad against the surface of the platen. <IMAGE></p>
申请公布号 SG70017(A1) 申请公布日期 2000.01.25
申请号 SG19970002446 申请日期 1997.07.11
申请人 APPLIED MATERIALS, INC. 发明人 BARTLETT, WILLIAM, R.;SHENDON NORM
分类号 B24B37/16;B24D9/10;H01L21/304;(IPC1-7):B24B37/04 主分类号 B24B37/16
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