发明名称 Aqueous based residue removers comprising fluoride
摘要 A composition and method comprising same for selectively removing residues such as, for example, ashed photoresist and/or processing residues are disclosed herein. In one aspect, there is provided a composition for removing residue wherein the composition has a pH ranging from about 2 to about 9 comprising: a buffer solution comprising an organic acid and a conjugate base of the organic acid in a molar ratio of acid to base ranging from 10:1 to 1:10; a fluoride, and water, provided that the composition is substantially free of an added organic solvent. In another aspect, the composition may further comprise a corrosion inhibitor.
申请公布号 US7682458(B2) 申请公布日期 2010.03.23
申请号 US20050050562 申请日期 2005.02.03
申请人 AIR PRODUCTS AND CHEMICALS, INC. 发明人 ROVITO ROBERTO JOHN;WU AIPING
分类号 C11D7/32 主分类号 C11D7/32
代理机构 代理人
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