Silver halide photographic materials comprising silver bromide o

Details Silver halide photographic materials comprising silver bromide o Silver halide photographic materials comprising silver bromide o

1996-07-15

1998-03-31

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, G03C 1005, G03C 1035, G03C 1015, G03C 107

Patent

active

057337152

ABSTRACT:
A light-sensitive silver bromide or silver bromoiodide emulsion is provided, comprising silver bromide or silver bromoiodide tabular triangular grains, said tabular triangular grains having an average grain thickness of less than 0.3 .mu.m, an average crystal diameter of at least 0.6 .mu.m; an average aspect ratio of at least 2:1; a variation coefficient of less than 40%, said grains accounting for a total projective area of at least 30%; characterized in that the thickness ratio of triangular tabular grains to hexagonal tabular grains is from 1.3 to 0.7.

REFERENCES:
patent: 4797354 (1989-01-01), Saitou et al.
patent: 5017469 (1991-05-01), Mowforth et al.

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