Imaging materials employing microparticles including a silver in

Details Imaging materials employing microparticles including a silver in Imaging materials employing microparticles including a silver in

1987-05-04

1988-11-29

Shah, Mukund J.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430531, 430532, 430536, 430617, 430618, 430619, 430620, 430935, G03C 140, G03C 100

Patent

active

047881259

ABSTRACT:
An imaging material comprising a support and a layer of photosensitive microparticles on one surface of said support, said microparticles including an image-forming agent and a photosensitive composition containing a polymer which is capable of undergoing cationically-initiated depolymerization and a photoinitiator including a silver halide and an organo silver salt, wherein, after exposing said microparticle to radiation, said microparticles, directly or with additional processing, release said image-forming agent or become permeable to a developer which reacts with said image-forming agent to form a visible image.

REFERENCES:
patent: 3219446 (1965-11-01), Berman
patent: 3347676 (1967-10-01), Cripps
patent: 3915704 (1975-10-01), Limburg et al.
patent: 3984253 (1976-10-01), Nelson
patent: 4108839 (1978-08-01), Chambers et al.
patent: 4399209 (1983-08-01), Sanders et al.
patent: 4440846 (1984-04-01), Sanders et al.
patent: 4504575 (1985-03-01), Lee
"Chemical Amplification in the Design of Dry Developing Resist Materials", Ito et al., Polymer Engineering and Science, Dec. 1983, vol. 23, No. 18.

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