发明名称 Chemical mechanical polishing (CMP) composition comprising a specific heteropolyacid
摘要 A chemical mechanical polishing (CMP) composition comprising a specific heteropolyacid Abstract A chemical-mechanical polishing (CMP) composition comprising: (A) inorganic particles, organic particles, or a mixture thereof, (B) a heteropolyacid of the formula HaXbPsMOyVzOc wherein X=any cation other than H 8<y<18 8<z<14 56<c<105 a+b=2c−6y−5(3+z) b>0 and a>0 (formula I) or a salt thereof, and, (C) an aqueous medium.
申请公布号 US8927429(B2) 申请公布日期 2015.01.06
申请号 US201113877759 申请日期 2011.10.04
申请人 BASF SE 发明人 Schmitt Christine;Karpov Andrey;Rosowski Frank;Brands Mario;Li Yuzhuo
分类号 H01L21/306;H01L21/321;C09G1/02 主分类号 H01L21/306
代理机构 Oblon, Spivak, McClelland, Maier &amp; Neustadt, L.L.P. 代理人 Oblon, Spivak, McClelland, Maier &amp; Neustadt, L.L.P.
主权项 1. A chemical-mechanical polishing CMP composition, comprising: (A) inorganic particles, organic particles, or a mixture thereof, (B) a heteropolyacid of empirical formula I: HaXbP3MoyVzOc wherein X is a cation other than H, 8≦y≦188≦z≦1456≦c≦105a+b=2c−6y−5(3+z)b≧0, anda>0,  or a salt thereof, and (C) an aqueous medium.
地址 Ludwigshafen DE