abstract |
An object of the present invention is to provide a black and white photothermographic material having high sensitivity, high density, excellent image color tone, and excellent coatability. A dye is formed on at least one surface of a support by reacting with at least a photosensitive silver halide, a non-photosensitive organic silver salt, a color developer, and an oxidation product of the color developer. A black and white photothermographic material containing a coupler, The average particle size of the non-photosensitive organic silver salt is 0.38 μm or less. [Selection figure] None |