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公开(公告)号:US12084628B2
公开(公告)日:2024-09-10
申请号:US16762275
申请日:2018-11-26
Applicant: BASF SE
Inventor: I Chen Chou , Andreas Klipp , Berthold Ferstl
IPC: C11D1/66 , C11D1/00 , C11D1/722 , C11D1/83 , C11D3/20 , C11D3/24 , C11D3/30 , G03F7/40 , H01L21/02 , C11D1/72
CPC classification number: C11D1/83 , C11D1/006 , C11D1/66 , C11D1/722 , C11D3/245 , G03F7/40 , H01L21/02057 , C11D1/004 , C11D1/72 , C11D2111/22
Abstract: Described is a composition comprising as primary surfactant an ionic compound comprising one or more fluoroalkyl groups and as secondary surfactant at least one non-ionic compound comprising one or more polyalkyloxy and/or polyalkylenoxy groups, for cleaning or rinsing a product, preferably a product used in the semiconductor industry, and a respective use of said composition. Further described is a method of making a cleaned or rinsed product, preferably a product used in the semiconductor industry, comprising a substrate and supported thereon a patterned material layer having line-space structures with a line width of 50 nm or below, comprising the step of cleaning or rinsing said product with the composition of the invention.