发明名称 POLISHING PAD AND MANUFACTURING METHOD THEREFOR
摘要 Provided are a polishing pad which remedies the problem of scratches occurring when a conventional hard (dry) polishing pad is used, which is excellent in polishing rate and polishing uniformity, and which can be used for not only primary polishing but also finish polishing, and a manufacturing method therefor. The polishing pad is a polishing pad for polishing a semiconductor device, comprising a polishing layer having a polyurethane-polyurea resin foam containing substantially spherical cells, wherein the polyurethane-polyurea resin foam has a hard segment content (HSC) in a range from 26 to 34%, and has a density D in a range from 0.30 to 0.60 g/cm 3 , the hard segment content (HSC) being determined by the following formula (1) :
申请公布号 EP2698810(A4) 申请公布日期 2015.03.04
申请号 EP20120772016 申请日期 2012.04.16
申请人 FUJIBO HOLDINGS, INC. 发明人 ITOYAMA KOUKI;MIYAZAWA FUMIO
分类号 H01L21/304;B24B37/24;C08G18/00;C08G18/65;C08J5/14 主分类号 H01L21/304
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