Blended grain direct-positive emulsions having a core-shell...

Details Blended grain direct-positive emulsions having a core-shell... Blended grain direct-positive emulsions having a core-shell...

G - Physics

03

C

96/100, 96/207

G03C 1/485 (2006.01)

Patent

CA 1179178

Abstract of the Disclosure Blended emulsions for use in forming a direct-positive image are disclosed. The emulsions are comprised of a first, radiation-sensitive core- shell grain population having a relatively low coefficient of variation and a second, substantially smaller size grain population capable or internally trapping photolytically generated electrons. Photo- graphic elements incorporating the blended emulsions exhibit improved covering power and can exhibit enhanced speed.

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