Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Forming nonplanar surface
Patent
1995-06-07
1997-01-21
Lesmes, George F.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Forming nonplanar surface
4302871, G03C 500
Patent
active
055958591
ABSTRACT:
An electrodepositable photoresist composition comprising an aqueous dispersion of: (a) a water-dispersible neutralized cationic polymeric material having a pendant unsaturation, (b) a nonionic unsaturated material and (c) a photoinitiator; characterized in that it can form smooth, thin and pinhole free coatings and further characterized in that the film is capable of being selectively insolubilized by patterned radiation exposure such that the unexposed portion of the film is soluble in dilute aqueous acid and the exposed portion is insoluble in said aqueous acid.
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Kahle, II Charles F.
Nakajima Masayuki
Olson Kurt G.
Sandala Michael G.
Zawacky Steven R.
Chirgott Paul S.
Lesmes George F.
Millman Dennis G.
PPG Industries Inc.
Weiner Laura
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