Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1992-02-06
1993-05-11
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...
430192, 430193, 430270, 430272, 430325, 430326, 430330, 430905, 430909, G03F 7023, G03F 730
Patent
active
052100006
ABSTRACT:
A photoresist that utilizes a copolymer of a phenol and a cyclic alcohol having increased optical transmission properties relative to photoresists using fully aromatic phenolic resins. Preferred binders are hydrogenated novolak resins and hydrogenated polyvinyl phenol resins.
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Orsula George W.
Sinta Roger
Thackeray James
Bowers Jr. Charles L.
Goldberg Robert L.
Shipley Company Inc.
Young Christopher G.
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