Silver halide photographic emulsion containing silver iodobromid

Details Silver halide photographic emulsion containing silver iodobromid Silver halide photographic emulsion containing silver iodobromid

1994-09-19

1995-12-26

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, G03C 1035

Patent

active

054787165

ABSTRACT:
A silver halide emulsion is provided, which comprises silver halide twinned-crystal grains and satisfy the following requirements (1) and (2):
(1) the longest distance between twin planes is within the range of 10 to 100 .ANG. on the average,
(2) said silver halide grains each comprise a core comprising silver iodobromide having a silver iodide content of not less than 7 mol % and a shell comprising one or more layers different in halide composition from each other, in which at least one layer of the shell comprises silver iodobromide or silver bromide, the outermost layer having a silver iodide content of 0 to 4 mol %.

REFERENCES:
patent: 4853322 (1989-08-01), Makino et al.
patent: 4879208 (1989-11-01), Urabe
patent: 4914014 (1990-04-01), Daubendiek et al.
patent: 5068173 (1991-11-01), Takehara et al.

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