G - Physics – 03 – C
Patent
G - Physics
03
C
96/109
G03C 1/28 (2006.01)
Patent
CA 1060698
Abstract of the Disclosure A photographic silver halide emulsion capable of forming on exposure an internal latent image can be formed having a desired characteristic curve by providing a first photographic silver halide emulsion comprised of silver halide grains internally sensitized with a combination of middle chalcogen and noble metal sensitizers capable of forming on exposure an internal latent image and blending therewith a second, higher contrast photographic silver halide emulsion comprised of silver halide grains internally sensitized with a relatively lower proportion of middle chalcogen to noble metal sensitization. Both the first and second photographic silver halide emulsions are sensitized with the same middle chalcogen and noble metal sensitizers. -1-
264503
Atwell Robert E.
Evans Francis J.
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