发明名称 POLISHING LIQUID FOR CMP AND POLISHING METHOD USING THE SAME
摘要 An object of the present invention is to provide a polishing liquid for CMP with which polishing scratches can be reduced and a sufficiently high polishing rate can be obtained in a CMP step for an ILD film, aggregation of an abrasive grain is difficult to occur, and high flatness is obtained, and provide a polishing method using the same. The polishing liquid for CMP according to the present invention is a polishing liquid for CMP containing an abrasive grain, an additive, and water, wherein the abrasive grain comprises a cerium-based particle, and the additive comprises a 4-pyrone-based compound and at least one of a nonionic surfactant or a cationic surfactant: [wherein X11, X12, and X13 each independently represent a hydrogen atom or a monovalent substituent].
申请公布号 KR101419156(B1) 申请公布日期 2014.07.11
申请号 KR20127019105 申请日期 2010.12.24
申请人 发明人
分类号 B24B37/04;C09K3/14;H01L21/304 主分类号 B24B37/04
代理机构 代理人
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