发明申请
- 专利标题： Silver halide tabular grain emulsion
- 专利标题（中）： 卤化银片状颗粒乳剂
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申请号： US10697513申请日： 2003-10-30
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公开(公告)号： US20040086813A1公开(公告)日： 2004-05-06
- 发明人: Simona Fava , Roberta Bellunghi , Roberta Ganduglia , Luca Ceruti
- 申请人： Ferrania, S.p.A.
- 申请人地址： null
- 专利权人： Ferrania, S.p.A.
- 当前专利权人： Ferrania, S.p.A.
- 当前专利权人地址： null
- 优先权： ITSV2002A000053 20021031
- 主分类号： G03C001/005
- IPC分类号： G03C001/005 ; G03C001/494
摘要：
The present invention relates to a new silver halide tabular grain emulsion, wherein said silver halide emulsion comprises tabular grains having average thickness lower than 0.15 nullm, an average diameter of at least 1.20 nullm and an average aspect ratio of at least 8:1, and showing a coefficient of diameter variation COVd within the range of from 31% to 44% and a coefficient of thickness variation COVt lower than 25%.
公开/授权文献
- US06878512B2 Silver halide tabular grain emulsion 公开/授权日：2005-04-12
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