Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1993-04-19
1995-04-04
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, 430191, 430193, G03F 7023, G03F 730
Patent
active
054036968
ABSTRACT:
A positive resist composition comprising a 1,2-quinone diazide compound and an alkali-soluble resin which comprises a resin (I) obtainable through a condensation reaction of an aldehyde with a phenol mixture containing m-cresol and at least one selected from the group consisting of 2-tert.-butyl-4-methylphenol and 2-tert.-butyl-6-methylphenol, which has well balanced properties.
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English Abstract of Jap. 1-180535.
Doi Yasunori
Hioki Takeshi
Kurio Seiko
Uetani Yasunori
Bowers Jr. Charles L.
Chu John S.
Sumitomo Chemical Company Limited
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