发明名称 POLISHING PAD
摘要 A polishing pad includes at least a polishing layer including a groove, on a polishing surface, having side surfaces, wherein at least one of the side surfaces includes a first side surface that extends continuously to the polishing surface and forms an angle ± with the polishing surface, and a second side surface that extends continuously to the first side surface and forms an angle ² with a plane parallel to the polishing surface, the angle ± formed with the polishing surface is larger than 95 degrees, the angle ² formed with the plane parallel to the polishing surface is larger than 95 degrees, and the angle ² formed with the plane parallel to the polishing surface is smaller than the angle ± formed with the polishing surface, and a bending point depth from the polishing surface to a bending point between the first side surface and the second side surface is more than 0.2 mm and not more than 3.0 mm.
申请公布号 KR20140039043(A) 申请公布日期 2014.03.31
申请号 KR20147000489 申请日期 2012.07.12
申请人 TORAY INDUSTRIES, INC. 发明人 TAKEUCHI NANA;FUKUDA SEIJI;OKUDA RYOJI
分类号 B24B37/26;H01L21/304 主分类号 B24B37/26
代理机构 代理人
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