Photothermographic element with iridium and copper doped silver

Details Photothermographic element with iridium and copper doped silver Photothermographic element with iridium and copper doped silver

1999-03-22

2000-05-09

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430567, 430604, 430605, G03C 1498

Patent

active

060602317

ABSTRACT:
A negative-acting photothermographic element comprises a support bearing at least one heat-developable, photosensitive, image-forming photothermographic emulsion layer that contains photosensitive silver halide grains doped with iridium and copper; a non-photosensitive, reducible source of silver; a reducing agent for the non-photosensitive, reducible source of silver; and a binder. A process of forming photothermographic emulsions from doped silver halide grains by forming silver soaps in the presence of those grains is also described.

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