Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate
2006-03-21
2006-03-21
Webb, Gregory (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
C510S175000, C510S212000, C510S499000, C134S002000, C134S003000, C438S745000, C438S906000
Reexamination Certificate
active
07015183
ABSTRACT:
The present invention relates to a resist remover composition for removing resists during manufacturing processes of semiconductor devices such as integrated circuits, large scale integrated circuits and very large scale integrated circuits. The composition comprises (a) 10 to 40 wt. % of a water-soluble organic amine compound, (b) 40 to 70 wt. % of water-soluble organic solvents selected from a group consisting of dimethyl sulfoxide (DMSO), N-methyl pyrrolidone (NMP) dimethylacetamide (DMAc), dimethylformamide (DMF) and a mixture thereof, (c) 10 to 30 wt. % of water, (d) 5 to 15 wt. % of an organic phenol compound containing two or three hydroxyl groups, (e) 0.5 to 5 wt. % of anion type compound containing perfluoroalkyl, and (f) 0.01 to 1 wt. % of a polyoxyethylenealkylamine ether-type surfactant.
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Baik Ji-Hum
Oh Chang-Il
Yoo Chong-Soon
Baker & Botts L.L.P.
Dongjin Semichem Co., Ltd.
Webb Gregory
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