发明名称 POLISHING PAD
摘要 <P>PROBLEM TO BE SOLVED: To provide a polishing pad easy to separate from a surface plate, and to provide a manufacturing method for a semiconductor device using the same. <P>SOLUTION: The polishing pad 1 comprises a polishing layer laminated on the single face of a cushion layer, and a rigid layer laminated on the other face of the cushion layer and having a bending elastic modulus higher than each of the polishing layer and the cushion layer. The rigid layer is a resin sheet which has a bending elastic modulus of 1,000-10,000 MPa and a thickness of 40-300 &mu;m. <P>COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009034770(A) 申请公布日期 2009.02.19
申请号 JP20070201023 申请日期 2007.08.01
申请人 TOYO TIRE & RUBBER CO LTD 发明人 OGAWA KAZUYUKI;SHIMOMURA TETSUO;KAZUNO ATSUSHI;NAKAI YOSHIYUKI
分类号 B24B37/20;B24B37/22;B24B37/24;H01L21/304 主分类号 B24B37/20
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