Silver halide emulsions and photographic materials

Details Silver halide emulsions and photographic materials Silver halide emulsions and photographic materials

1988-05-02

1990-08-07

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, G03C 102

Patent

active

049467727

ABSTRACT:
A silver halide emulsion containing at least 20 wt %, on the basis of the total silver halide, of rod-like or needle-like crystal grains and/or crystal grains each formed by joining at least two of said rod-like or needle-like crystal grains at right angles or in paralle, said rod-like or needle-like crystal grains each being defined by the crystal planes consisting essentially of the (100) faces, wherein, when a ratio of length of the edges along which said planes intersect is taken as l:m:n in the order of from the smallest to the largest, m and n satisfy the following relationships (I) and (II):

REFERENCES:
patent: 4063951 (1977-12-01), Bogg
patent: 4386156 (1983-05-01), Mignot
patent: 4399215 (1983-08-01), Wey
patent: 4610958 (1986-09-01), Matsuzaka et al.
patent: 4713320 (1987-12-01), Maskasky

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