Internal latent image type silver halide photographic emulsions

Details Internal latent image type silver halide photographic emulsions Internal latent image type silver halide photographic emulsions

1989-06-12

1991-03-26

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430599, G03C 802

Patent

active

050028669

ABSTRACT:
An internal latent image type silver halide photographic emulsion comprising internal latent image type silver halide photographic emulsions containing silver halide grains comprising an internal silver halide nucleus which has been doped with metal ions and/or chemically sensitized and an external silver halide shell which covers at least the light-sensitive sites on the internal nucleus, wherein during production of the silver halide grains the pAg at the end of the surface chemical sensitization stage, which is carried out in the presence of sulfur sensitizing agents, is at least 0.4 higher than the pAg at the beginning of the chemical sensitization stage.

REFERENCES:
patent: 4581328 (1986-04-01), Matsuyama
patent: 4863845 (1989-09-01), Murai et al.

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