发明名称 Negative silver halide photographic emulsion
摘要 A negative silver halide photographic emulsion comprising silver halide grains dispersed in a binder, the silver halide grains having the ratio of diameter to thickness of 5.0 or less, the grains further having an internal portion corresponding to half the volume of the silver halide grains and a surface portion corresponding to half the volume of the silver halide grains, wherein the average iodine content in the internal portion is less than 1 mol %, and wherein the average iodine content in the surface portion of the grains is 1 to 4 mol % higher than the average iodine content of the internal portion of the grains.
申请公布号 US4883748(A) 申请公布日期 1989.11.28
申请号 US19880282094 申请日期 1988.12.09
申请人 FUJI PHOTO FILM CO., LTD. 发明人 HAYAKAWA, TOSHIAKI
分类号 G03C1/005;G03C1/035;G03C5/16 主分类号 G03C1/005
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