Silver halide photographic light sensitive material

Details Silver halide photographic light sensitive material Silver halide photographic light sensitive material

1992-06-26

1993-11-16

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430569, G03C 1035

Patent

active

052622940

ABSTRACT:
A silver halide photographic light-sensitive material comprises a silver halide photographic emulsion containing tabular silver halide twin crystal grains having a ratio of grain diameter to thickness of less than 5, wherein projection areas of said silver halide grains are 50% or more of total projection area of all grains; and said silver halide grains are monodipersed and have relatively high iodide content in the interior of the grain. The silver halide grain emulsion is prepared by supplying a silver component and a halide component in the presence of continuously supplied silver halide grains whose solubility product is lower than that of growing monodispersed silver halide grains for at least a given period of time during the grain growth. The photographic material provides improved sensitivity and image quality.

REFERENCES:
patent: 4184877 (1980-01-01), Maternaghan
patent: 4665012 (1987-05-01), Sugimoto et al.
patent: 4797354 (1989-01-01), Saitou et al.
patent: 4798775 (1989-01-01), Yagi et al.
patent: 4963467 (1990-10-01), Ishikawa et al.
patent: 5004680 (1991-04-01), Yagi et al.
patent: 5017469 (1991-05-01), Mowforth et al.
patent: 5087555 (1992-02-01), Saitou

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