POLISHING COMPOSITIONS AND METHODS OF USE THEREOF

    公开(公告)号:US20210253904A1

    公开(公告)日:2021-08-19

    申请号:US17169685

    申请日:2021-02-08

    IPC分类号: C09G1/02 B24B37/04

    摘要: A polishing composition, includes an abrasive; a pH adjuster; a barrier film removal rate enhancer; a low-k removal rate inhibitor; an azole-containing corrosion inhibitor; and a ruthenium removal rate enhancer. A method of polishing a substrate includes the steps of: applying the polishing composition described herein to a surface of a substrate, wherein the surface comprises ruthenium or a hard mask material; and bringing a pad into contact with the surface of the substrate and moving the pad in relation to the substrate.