Silver halide emulsion and silver halide photographic light sens

Details Silver halide emulsion and silver halide photographic light sens Silver halide emulsion and silver halide photographic light sens

1999-09-03

2000-11-21

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

G03C 1035

Patent

active

061500801

ABSTRACT:
A silver halide emulsion is disclosed, comprising tabular silver halide grains, wherein the tabular grains contain 50 mol % or more bromide, based on total silver and have parallel (111) major faces and a mean aspect ratio of not less than 2; and the tabular grains each comprising a central region accounting for at least 50% of the (111) major face, and an annular band accounting for not more than 5% of the (111) major face and containing not less than 0.05 mol % iodide and not more than 50 mol % chloride, based on silver forming the annular band.

REFERENCES:
patent: 5492801 (1996-02-01), Maskasky
patent: 5702878 (1997-12-01), Maruyama
patent: 5965344 (1999-10-01), Ando et al.

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