发明授权
US5702878A Silver halide photographic emulsion and photographic material using the same 失效
卤化银照相乳剂和使用其的照相材料

  • 专利标题: Silver halide photographic emulsion and photographic material using the same
  • 专利标题(中): 卤化银照相乳剂和使用其的照相材料
  • 申请号: US516552
    申请日: 1995-08-18
  • 公开(公告)号: US5702878A
    公开(公告)日: 1997-12-30
  • 发明人: Yoichi Maruyama
  • 申请人: Yoichi Maruyama
  • 申请人地址: JPX Kanagawa
  • 专利权人: Fuji Photo Film Co., Ltd.
  • 当前专利权人: Fuji Photo Film Co., Ltd.
  • 当前专利权人地址: JPX Kanagawa
  • 优先权: JPXHEI.6-218302 19940822; JPXHEI.6-250151 19940920
  • 主分类号: G03C1/005
  • IPC分类号: G03C1/005 G03C1/035
Silver halide photographic emulsion and photographic material using the
same
摘要:
A silver halide photographic emulsion is disclosed, comprising silver halide tabular grains having integrated therein dislocation lines and having an aspect ratio of 1.5 or more and a circle-corresponding diameter of 0.6 .mu.m or less, wherein the grains having integrated therein dislocation lines from the site determined by the following expression (I) occupy 50% or more of the total projected area: D=(1.4S.sup.1.5).times.100.+-.15 (I) wherein D represents a ratio (%) of silver amount consumed until the integration of the dislocation lines to the total amount of silver used and S represents a sphere-corresponding diameter (.mu.m) of a final grain, provided that D is 5 or more.
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