发明名称 Silver halide photographic material comprising two kinds of monodisperse emulsions differing in mean grain size
摘要 A silver halide photographic material comprising at least one negative type silver halide emulsion layer coated on a support, said emulsion comprising two kinds of monodisperse emulsions each having a means grain sizes of not more than 0.5 micron and, differing in mean grain size from each other at least by 0.1 micron, and said photographic material further comprising a hydrazine derivative in at least one photographic layer, whereby negative images of high density and very high contrast can be obtained with a high photographic speed and without black spots.
申请公布号 US4786587(A) 申请公布日期 1988.11.22
申请号 US19870115645 申请日期 1987.10.26
申请人 FUJI PHOTO FILM CO., LTD. 发明人 KUWABARA, KEN-ICHI
分类号 G03C1/005;G03C1/015;G03C1/035;G03C1/06;(IPC1-7):G03C1/06;G03C1/02 主分类号 G03C1/005
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