Silver halide emulsion, process for preparing the same, and silv

Details Silver halide emulsion, process for preparing the same, and silv Silver halide emulsion, process for preparing the same, and silv

1995-10-26

1997-06-24

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430567, G03C 1015, G03C 1035

Patent

active

056416202

ABSTRACT:
A process for producing a silver halide emulsion comprising tabular silver halide grains containing not less than 10 mol% of silver chloride and having {100} faces as major faces and an average aspect ratio of 2 or higher, which tabular silver halide grains are prepared by comprising rising temperature of a grain formation system after completion of (a) nucleation step and taking (c) grain growth step, which process comprises adding silver ions in an amount corresponding to at least 1 mol% of the total silver content to the silver halide emulsion at a stage after introduction of a halogen gap in the nucleation step (a) and before the grain growth step (c).

REFERENCES:
patent: 5314798 (1994-05-01), Brust et al.
patent: 5380641 (1995-01-01), Urabe et al.
patent: 5413904 (1995-05-01), Chang et al.

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