发明名称 POLISHING AGENT AND METHOD FOR POLISHING SUBSTRATE USING POLISHING AGENT
摘要 <P>PROBLEM TO BE SOLVED: To provide a polishing agent which can polish an insulating film at high speed with low polishing scratches and has high polishing speed ratio between a silicon oxide film and a stopper film, in CMP technique for flattening the insulating film. <P>SOLUTION: A polishing agent comprises water, particles of a tetravalent metal hydroxide, and an addition agent. The addition agent contains at least one of a cationic polymer and a polysaccharide. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2013062510(A) 申请公布日期 2013.04.04
申请号 JP20120223009 申请日期 2012.10.05
申请人 HITACHI CHEMICAL CO LTD 发明人 HOSHI YOSUKE;RYUZAKI DAISUKE;KOYAMA NAOYUKI;NOBE SHIGERU
分类号 H01L21/304;B24B37/00;B24B37/04;B24B37/20;C09K3/14 主分类号 H01L21/304
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