Positive working photosensitive composition

Details Positive working photosensitive composition Positive working photosensitive composition

1990-11-05

1993-04-13

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430192, 430270, 430326, G03C 156, G03C 172

Patent

active

052022161

ABSTRACT:
A positive working photosensitive composition comprising a polymeric compound insoluble in water but soluble in an aqueous alkaline solution and an aromatic sulfonic acid salt of an onium compound. The positive working photosensitive composition having high sensitivity and being capable of forming high-contrast images.

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"Ammonium", Hackh's Chemical Dictionary, McGraw-Hill Book Co., NY, J. Grant editor, p. 37, 1972.

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