发明名称 POLISHING COMPOSITION
摘要 The polishing composition of the present invention is a polishing composition for polishing a tungsten-containing metal layer formed on an insulating layer, the polishing composition comprising: abrasive grains; one or more halogen acids selected from the group consisting of iodic acid, iodous acid, and hypoiodous acid; a strong acid; a hydrogen-ion-supplying agent; and water.
申请公布号 US2015053887(A1) 申请公布日期 2015.02.26
申请号 US201314359357 申请日期 2013.03.28
申请人 NITTA HAAS INCORPORATED 发明人 Hosokawa Koichiro;Ota Yoshiharu;Yoshida Shoichiro
分类号 C09G1/02 主分类号 C09G1/02
代理机构 代理人
主权项 1. A polishing composition for polishing a tungsten-containing metal layer formed on an insulating layer, the polishing composition comprising: abrasive grains; one or more halogen acids selected from the group consisting of iodic acid, iodous acid, and hypoiodous acid; a strong acid; a hydrogen-ion-supplying agent; and water.
地址 Osaka JP