Silver halide photographic emulsion

Details Silver halide photographic emulsion Silver halide photographic emulsion

1988-07-07

1990-10-16

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, G03C 1005

Patent

active

049634674

ABSTRACT:
A silver halide photographic emulsion is disclosed. The emulsion contains core/shell type silver halide grain comprising a core essentially consisting of silver iodobromide and at least one shell essentially consisting of silver iodobromide or silver bromide, in which said silver halide emulsion have an average silver iodide content of less than 7 mol %, and said core has a silver iodide content of not less than 10 mol % a shell arranged at the outermost portion of said shell has a silver iodide content of not more than 5 mol %, and said core and shell have a distinct core/shell structure. The emulsion is excellent in developing activity, ready in contrast control and excellent in processing stability, with out deteriorating both sensitivity and pressure resistance property.

REFERENCES:
patent: 4668614 (1987-05-01), Takada et al.
patent: 4686178 (1987-08-01), Honda et al.
patent: 4713318 (1987-12-01), Sugimoto et al.
patent: 4728602 (1988-03-01), Shibahara et al.
Abstract 59-178447(A)-1 pg.

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