Silver halide photographic emulsion

Details Silver halide photographic emulsion Silver halide photographic emulsion

1998-02-09

1999-10-12

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

G03C 1035

Patent

active

059653442

ABSTRACT:
A silver halide emulsion is disclosed, comprising tabular grains containing not less than 50 mol % bromide, having two parallel (111) major faces and an aspect ratio of 2 or more, and accounting for at least 50% of the total grain projected area; the tabular grains each comprising regions different in iodide concentrations, wherein one of the regions is a central region containing high iodide and a second of the regions is an annular band containing less iodide than the iodide concentration of the central region, and the annular band accounting for less than 5% of each major face.

REFERENCES:
patent: 5492801 (1996-02-01), Maskasky
patent: 5512427 (1996-04-01), Maskasky
patent: 5728515 (1998-03-01), Irving et al.

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