发明名称 Polishing pad having a grooved pattern for use in a chemical mechanical polishing apparatus
摘要 The disclosure relates to a polishing pad (100) for a chemical mechanical polishing apparatus. The polishing pad has a polishing surface (102) formed with a plurality of circular concentric grooves (104). The polishing surface of the pad may include multiple regions (150,152,154,156) with grooves (144) of different widths and spacings. <IMAGE> <IMAGE>
申请公布号 EP1066928(A3) 申请公布日期 2002.05.29
申请号 EP20000305518 申请日期 2000.06.30
申请人 APPLIED MATERIALS, INC. 发明人 OSTERHELD, THOMAS H.;BENNETT, DOYLE EDWARD;REDEKER, FRED C.;ADDIEGO, GINETTO;TOLLES, ROBERT D.;WIJEKOON, KAPILA;TSAI, STAN D.;BONNER, BENJAMIN A.
分类号 B24B37/26;B24D13/14;H01L21/304;(IPC1-7):B24D13/14;B24B37/04;B24D13/04 主分类号 B24B37/26
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