Novel silver halide crystal and process for production of same

Details Novel silver halide crystal and process for production of same Novel silver halide crystal and process for production of same

1986-04-02

1987-12-01

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

423489, 423491, 430564, 430569, 430581, G03C 102

Patent

active

047104554

ABSTRACT:
Disclosed is silver halide cubic crystal having a depression on each face thereof and/or a hollow portion formed by joining of the depression with other depressions. This crystal may be produced by precipitating first monodisperse cubic type silver halide crystals and then precipitating second silver halide having a lower solubility than the first silver halide crystals by controlled doublejet precipitation method to dissolve the first silver halide crystals. There are also disclosed a silver halide photographic emulsion comprising such silver halide crystal and a silver halide photographic high-sensitive material containing said silver halide to which a spectral sensitizing dye is adsorbed.

REFERENCES:
patent: 4356257 (1982-10-01), Gerber
patent: 4359525 (1982-11-01), Gerber
patent: 4359526 (1982-11-01), Walworth
patent: 4451560 (1984-05-01), Gerber et al.
patent: 4496652 (1985-01-01), Haugh et al.

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