发明名称 POLISHING AGENT, POLISHING AGENT SET, AND SUBSTRATE POLISHING METHOD
摘要 The polishing agent of the invention comprises water, an abrasive grain containing a hydroxide of a tetravalent metal element, polyalkylene glycol, and at least one cationic polymer selected from the group consisting of allylamine polymers, diallylamine polymers, vinylamine polymers and ethyleneimine polymers.
申请公布号 US2015017806(A1) 申请公布日期 2015.01.15
申请号 US201314379954 申请日期 2013.02.14
申请人 HITACHI CHEMICAL COMPANY, LTD. 发明人 Akutsu Toshiaki;Minami Hisataka;Iwano Tomohiro;Fujisaki Koji
分类号 C09G1/02;H01L21/306 主分类号 C09G1/02
代理机构 代理人
主权项 1. A polishing agent comprising: water, an abrasive grain containing a hydroxide of a tetravalent metal element, polyalkylene glycol, and at least one cationic polymer selected from the group consisting of allylamine polymers, diallylamine polymers, vinylamine polymers and ethyleneimine polymers.
地址 Tokyo JP