Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1990-09-25
1992-11-24
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Diazo reproduction, process, composition, or product
Composition or product which contains radiation sensitive...
430165, 430190, 430193, G03F 7023
Patent
active
051660334
ABSTRACT:
Disclosed herein is a positive resist composition comprising an alkali-soluble phenolic resin and the quinonediazide sulfonate of at least one phenolic compound selected from vinylphenol compounds and isopropenylphenol compounds as a photosensitive agent. It is suitable for use in minute processing.
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patent: 4840869 (1989-06-01), Kita et al.
patent: 4871644 (1989-10-01), Bauer
Gentaro Nagamatsu and Hideo Inui, "Photosensitive Polymers", Kadamasha, Tokyo (1980) (English Translations).
Kawata Shoji
Oie Masayuki
Yamada Takamasa
Bowers Jr. Charles L.
Nippon Zeon Co. Ltd.
Young Christopher G.
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