Direct-positive silver halide emulsion.

摘要

A direct-positive silver halide emulsion comprising fine grain reduction and gold surface fogged silver halide grains containing an electron-trapping effective amount of at least one Group VIII metal dopant, at least 75% by weight of all silver halide grains in said emulsion being silver halide grains wherein at least 80 mole percent of the halide within said grains is chloride.