Direct positive photographic light-sensitive material

Details Direct positive photographic light-sensitive material Direct positive photographic light-sensitive material

1992-10-19

1994-04-26

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430505, 430577, 430576, 430567, 430569, 430603, 430605, 430940, G03C 1485

Patent

active

053066081

ABSTRACT:
A direct positive photographic light-sensitive material comprises a support and a light-sensitive emulsion layer provided thereon which contains non-pre-fogged internal latent image type silver halide grains of a core/shell structure. The cores of the silver halide grains are treated with a spectral sensitizing dye and a chemical sensitizer.

REFERENCES:
patent: Re32097 (1986-03-01), Silverman et al.
patent: 3206313 (1965-09-01), Porter et al.
patent: 5030553 (1991-06-01), Kuwashima et al.

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