Radiographic film for mammography with improved processability
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United States of America Patent
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Jan 6, 2004
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app pub date -
May 19, 2003
filing date -
Nov 19, 2002
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Abstract
A radiographic silver halide film has improved processability because it includes a silver halide emulsion composed of cubic grains having a critical molar ratio of chloride, iodide, and bromide. In particular, the cubic grains comprise from about 1 to about 20 mol % of chloride and from about 0.25 to about 1.5 mol % of iodide, with the remainder being bromide. The cubic grains also have an ECD of from about 0.65 to about 0.8 .mu.m. This film is particularly useful in mammography for imaging dense soft tissue.
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