Laser imagable lithographic printing plate with diazo resin

Details Laser imagable lithographic printing plate with diazo resin Laser imagable lithographic printing plate with diazo resin

1986-12-08

1988-03-15

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...

430155, 430157, 430158, 430175, 430276, 430271, 430272, 430278, 430945, G03C 194, G03C 152, G03C 154, G03C 160

Patent

active

047313170

ABSTRACT:
A coated lithographic printing plate comprises a grained, anodized aluminum substrate and coating thereon comprising a diazo resin in admixture with particulate energy absorbing material that will absorb incident radiation and re-radiate it as radiation that will change the diazo resin coating which is imageable with a Crosfield Datrax 760 YAG laser plate maker producing incident radiation of 1/06 microns. The topography of the substrate and the particulate material in the coating trap and convert a substantial portion of the incident laser radiation which passes through the coating without substantially affecting same into radiation that will change the coating.

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Research Disclosure, #18833, 12/1979, p. 671.

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