Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1993-06-04
1995-10-24
Rodee, Christopher D.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 96, G03G 509, G03G 505
Patent
active
054609127
ABSTRACT:
The present invention is to provide an electrophotography type lithographic form plate having a high sensitivity and a superior photosensitive characteristic as a photosensitive material for a semiconductor laser beam as well as having an excellent printability as a lithographic form plate. The form plate comprises an electroconductive support member and a photosensitive layer formed thereon and containing a sensitizer mainly consisting of zinc oxide and a binder resin, wherein the sensitizer is at least one compound selected from a group of dye compounds represented by the following general formula (I), and a total acid value of the binder resin is within a range of 3.0 through 10.0. ##STR1## wherein, in the above formula, n represents 2 or 3; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hyrogen atoms, lower alkyl groups, lower alkoxy groups, or halogen atoms, and X-represents an acid anion.
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Hijikata Kazumasa
Yamamoto Hideyuki
Iwatsu Electric Co. Ltd.
Rodee Christopher D.
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