Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1988-09-02
1989-10-24
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430273, 430281, 430288, 430910, 522101, 522165, G03C 176
Patent
active
048761737
ABSTRACT:
A photopolymerizable composition is described, comprising an addition polymerizable unsaturated compound having at least two ethylenically unsaturated double bonds per molecule, a photopolymerization initiator, and a binder, wherein said binder is a copolymer represented by formula (I) ##STR1## wherein Ar.sup.1 and Ar.sup.2 each represent a substituted or unsubstituted phenyl group; and n.sub.1, n.sub.2, n.sub.3, and n.sub.4 each represents mol % of the respective repeating unit, wherein n.sub.1 is from 0 to about 70; n.sub.2 is from 0 to about 70; n.sub.3 is from about 5 to 50; and n.sub.4 is from about 5 to 50; provided that n.sub.1 and n.sub.2 are not 0 at the same time, the sum of n.sub.3 and n.sub.4 is from about 30 to 80. The composition is useful as an alkali-developable light-sensitive layer which provides a photosensitive dry film resist having excellent performance characteristics.
REFERENCES:
patent: 4284707 (1981-08-01), Nagasawa et al.
patent: 4289843 (1981-09-01), Boutle et al.
patent: 4559292 (1985-12-01), Geissler et al.
Aotani Yoshimasa
Iwasaki Masayuki
Maeda Minoru
Maemoto Kazuo
Brammer Jack P.
Fuji Photo Film Co. , Ltd.
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