Method for manufacturing a silver halide emulsion

Details Method for manufacturing a silver halide emulsion Method for manufacturing a silver halide emulsion

1992-09-02

1994-08-16

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430583, 430584, 430585, 430605, G03C 1015, G03C 1025, G03C 109, G03C 114

Patent

active

053386558

ABSTRACT:
A method of manufacturing a silver halide emulsion wherein spectral sensitizing dyes are added after the formation of silver halide grains, and chemically ripening is then carried out at a temperature higher than the addition temperature of the spectral sensitizing dyes at 25.degree. C. to 55.degree. C., is disclosed. A material produced by this method has a high linearity in gradation between the medium density part and the shoulder part, and having a high Dmax value.

REFERENCES:
patent: 4828972 (1989-05-01), Ihama et al.
patent: 5015563 (1991-05-01), Ohya et al.

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