Silver halide emulsion and photographic material using same

Details Silver halide emulsion and photographic material using same Silver halide emulsion and photographic material using same

1990-12-17

1992-11-24

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430604, 430605, 430608, G03C 109

Patent

active

051660440

ABSTRACT:
There are disclosed a silver halide emulsion and a silver halide photographic material using same. The silver halide emulsion comprises high-silver-chloride grains that have localized phases containing iron ions and iridium ions each in a limited amount. The disclosure as described provides a silver halide emulsion and a silver halide photographic material that are excellent in rapid processibility, high in sensitivity and contrast, less in the change of sensitivity due to a change of exposure illuminance.

REFERENCES:
patent: 4939080 (1990-07-01), Hioki et al.
patent: 5051344 (1991-09-01), Kuno

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