Silver halide tabular grain emulsion
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United States of America Patent
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Apr 12, 2005
Grant Date -
May 6, 2004
app pub date -
Oct 30, 2003
filing date -
Oct 31, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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 .mu.m, an average diameter of at least 1.20 .mu.m 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%.
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