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公开(公告)号:US20230026568A1
公开(公告)日:2023-01-26
申请号:US17784094
申请日:2020-12-03
发明人: Shoutian Li , Xiaoming Ren , Changzheng Jia
IPC分类号: C09G1/02
摘要: Disclosed is a chemical mechanical polishing solution containing water, cerium oxide abrasive particles and hydroxylamine, which can also increase the removal rate of patterned silicon dioxide with further addition of 4-hydroxybenzoic acid or salicylhydroxamic acid.