Direct positive silver halide photosensitive material

Details Direct positive silver halide photosensitive material Direct positive silver halide photosensitive material

1993-10-22

1994-11-15

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430567, 430571, 430598, 430599, G03C 109, G03C 1035

Patent

active

053647505

ABSTRACT:
The present invention relates to a direct positive photosensitive material comprising at least two kinds of core/shell-type internal latent image-type silver halide grains having different average grain sizes, the smaller grains being substantially constituted of cubic grains, or tetradecahedron grains mainly of the face (100). According to the present invention, a direct positive photosensitive material having a wide exposure latitude and an extremely improved storage stability can be obtained.

REFERENCES:
patent: 4444865 (1984-04-01), Silverman et al.
patent: 4444874 (1984-04-01), Silverman et al.
patent: 4446228 (1984-05-01), Honda et al.
patent: 4521507 (1985-06-01), Iijima et al.
patent: 4554245 (1985-11-01), Hayashi et al.
patent: 4643965 (1987-02-01), Kubota et al.
patent: 4701404 (1987-10-01), Iijima et al.
patent: 4724198 (1988-02-01), Yamada et al.
patent: 4752558 (1988-06-01), Shimura et al.

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