Silver halide photographic emulsion

Details Silver halide photographic emulsion Silver halide photographic emulsion

1992-12-10

1994-06-14

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430505, 430569, 430603, 430605, 430611, G03C 1005

Patent

active

053209370

ABSTRACT:
A silver halide photographic emulsion contains silver halide grains comprising at least two portions, i.e., a core and an outermost shell with different silver halide compositions and having an average aspect ratio of less than 8. The core consists of silver iodobromide, silver chloroiodobromide, silver chlorobromide, or silver bromide. An average silver iodide content of the outermost shell is higher than that of the core and is 6 mol % or more. The silver halide grains are subjected to all of selenium sensitization, gold sensitization, and sulfur sensitization.

REFERENCES:
patent: 4801526 (1989-01-01), Yoshida et al.
patent: 4873181 (1989-10-01), Miyasaka et al.
patent: 4897342 (1990-01-01), Kajiwara et al.
patent: 5021323 (1991-06-01), Yamamoto
Journal of Photographic Science, vol. 24, 1976, "The Effects of Crystal Size . . . " to K. Radcliffe, pp. 190-202.

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