Silver halide photographic emulsion
AssigneeFuji Photo Film Co., Ltd.
InventorsYoichi Maruyama, Genichi Furusawa
Life of this patent
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Abstract
A silver halide photographic emulsion comprising grains, wherein not less than 50% of the number of all the grains are occupied by silver iodebromide or silver bromochloroiodide tabular grains each meeting the requirements (i) to (iii) below: (i) a thickness is less than 0.13 μm; (ii) an equivalent-circle diameter is not less than 1.0 μm; and (iii) a silver iodide content in a fringe internal region A between a twin plane and a grain major surface is higher than a silver iodide content in a fringe internal region B between two twin planes.
Claims17
A silver halide photographic emulsion comprising grains, wherein not less than 50% of the number of all the grains are occupied by silver iodebromide or silver bromochloroiodide tabular grains each meeting the requirements (i) to (iii) below:
- (i) a thickness is less than 0.13 μm;
- (ii) an equivalent-circle diameter is not less than 1.0 μm;
- and
- (iii) a silver iodide content in a fringe internal region A between a twin plane and a grain major surface is higher than a silver iodide content in a fringe internal region B between two twin planes.
Dependencies are inferred from the claim text.