发明名称 |
Silver halide photographic emulsion and silver halide photographic lightsensitive material using the same |
摘要 |
A silver halide photographic emulsion comprising grains, wherein 50% or more (numerical ratio) of all the grains are occupied by tabular grains with epitaxial junction meeting the requirements (i) to (v): (i) silver iodochlorobromide grains having (111) faces as main planes and having two parallel twin planes, (ii) an equivalent circle diameter of 3.0 mum or more and an aspect ratio of 8 or more, (iii) each of host tabular grains has six silver halide epitaxial junction portions selectively in apex portions thereof, (iv) at least one of the silver halide epitaxial junction portions has at least one dislocation line, and (v) a spacing between the two parallel twin planes of 0.012 mum or less.
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申请公布号 |
US6875564(B2) |
申请公布日期 |
2005.04.05 |
申请号 |
US20020241604 |
申请日期 |
2002.09.12 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
KIKUCHI MAKOTO;IHAMA MIKIO |
分类号 |
G03C1/005;(IPC1-7):G03C1/005;G03C1/494 |
主分类号 |
G03C1/005 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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