Silver halide emulsion and photographic light-sensitive material

Details Silver halide emulsion and photographic light-sensitive material Silver halide emulsion and photographic light-sensitive material

1988-03-07

1989-02-21

Shah, Mukund J.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, G03C 102

Patent

active

048064610

ABSTRACT:
A silver halide emulsion comprises a dispersion medium and silver halide grains, the silver halide emulsion containing tabular silver halide grains having a thickness of less than 0.5 .mu.m, a diameter of 0.3 .mu.m or more, and a mean diameter-to-thickness ratio of 2 or more. The tabular grains occupy at least 50% of a projected area of all the silver halide grains, and 50% or more (number) of the tabular grains include 10 or more dislocations per grain. A photographic light-sensitive material comprises the aforementioned silver halide emulsion.

REFERENCES:
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patent: 4414306 (1983-11-01), Wey et al.
patent: 4414310 (1983-11-01), Daubendiek et al.
patent: 4433048 (1984-02-01), Solberg et al.
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patent: 4439520 (1984-03-01), Kofron et al.
patent: 4451560 (1984-05-01), Gerber et al.
patent: 4459353 (1984-07-01), Maskasky
patent: 4665012 (1987-05-01), Sugimoto et al.
patent: 4684607 (1987-08-01), Maskasky
Photographic Science and Engineering, vol. 8, Nov./Dec. 1964, pp. 346-352.
Journal of Imaging Science, vol. 31, No. 1, Jan./Feb. 1987, pp. 15-26, SPSE.
T. H. James: "Theory of the Photographic Process", 4th Ed., 1077, Section II.F, Dislocations, pp. 19-21, Macmillan Publ.

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