发明名称 Apparatus for interlayer planarization of semiconductor material
摘要 A pad for planarizing the surface of a semiconductor wafer. The pad includes at least two layers. One layer has a hydrostatic modulus which is different from the hydrostatic modulus of the other pad.
申请公布号 US5257478(A) 申请公布日期 1993.11.02
申请号 US19920829736 申请日期 1992.01.31
申请人 RODEL, INC.;WESTECH SYSTEMS, INC. 发明人 HYDE, THOMAS C.;ROBERTS, JOHN V. H.
分类号 B24B37/00;B24B13/01;B24B37/04;B24D13/14;H01L21/304;(IPC1-7):B24B7/22;B24B1/00 主分类号 B24B37/00
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