Patent ID: 6576410
Filing Date: 2003-06-10
Classification: G03C,Y10S

Abstract:
A black-and-white photothermographic emulsion comprising:a. a hydrophilic binder, b. a non-photosensitive source of reducible silver ions, and c. chemically sensitized photosensitive silver halide grains, at least 70% of the total photosensitive silver halide grain projected area being provided by tabular silver halide grains comprising at least 70 mole % bromide, based on total silver halide, with the remainder of the halide being iodide or chloride, said tabular grains having an average thickness of at least 0.02 &mgr;m and up to and including 0.10 &mgr;m, an equivalent circular diameter of at least 0.5 &mgr;m and up to and including 8 &mgr;m, and an aspect ratio of at least 5:1.