Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1992-09-22
1999-01-19
Chu, John S.
Radiation imagery chemistry: process, composition, or product th
Diazo reproduction, process, composition, or product
Composition or product which contains radiation sensitive...
430165, 430192, 430193, G03F 7023
Patent
active
058612297
ABSTRACT:
A positive resist composition which comprises a 1,2-quinone diazide compound and an alkali-soluble resin containing a polyphenol compound (I) of the general formula:
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Hanabata Makoto
Hioki Takeshi
Oi Fumio
Osaki Haruyoshi
Uetani Yasunori
Chu John S.
Sumitomo Chemical Company Limited
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