Dual-coated radiographic element capable of photothermographic i

Details Dual-coated radiographic element capable of photothermographic i Dual-coated radiographic element capable of photothermographic i

1997-03-20

1999-03-02

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

430543, 430559, 430567, 430619, 430966, 430967, G03C 1498, G03C 516

Patent

active

058769056

ABSTRACT:
A dual-coated radiographic element capable of producing a viewable image when heated following imagewise exposure is disclosed comprised of, on opposite sides of a transparent film, layer units containing radiation-sensitive radiation-sensitive silver halide grains, a light-insensitive source of silver, and a reducing agent for said light-insensitive reducible source of silver. Greater than 50 percent of total projected area of said silver halide grains being provided by tabular grains (a) having {100} major faces, (b) containing greater than 70 mole percent chloride, based on silver, (c) exhibiting an average thickness of less than 0.3 .mu.m, and (d) exhibiting an average equivalent circular diameter of greater than 0.6 .mu.m.

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