G - Physics – 03 – C
Patent
G - Physics
03
C
96/194
G03C 1/46 (2006.01) C03C 1/08 (2006.01) G03C 1/035 (2006.01) G03C 1/18 (2006.01) G03C 1/28 (2006.01) G03C 5/17 (2006.01) G03C 5/26 (2006.01)
Patent
CA 2018159
44215CAN8A Light-Sensitive Elements For Radioqraphic Use And Process For the Formation of an X-Ray Image ABSTRACT OF DISCLOSURE A light-sensitive silver halide element for radio- graphic use with X-ray intensifying screens comprising coated on at least one side of a transparent support base at least a spectrally sensitized silver halide emulsion layer and, between the base and a silver halide emulsion layer, a hydrophilic colloid layer containing a) substan- tially light-insensitive low iodide silver bromoiodide grains having an average grain size in the range of from 0.01 to 0.1 µm on which a spectral sensitizing dye is adsorbed to form a J-band, said dye adsorbed on said grains having a significant portion of its absorption in a region of the electromagnetic spectrum corresponding sub- stantially to the spectral sensitivity of the silver halide emulsion, and b) dispersed zinc oxide particles. The invention allows the use of low coverage weights of silver halide light-sensitive elements and provides X-ray images with a favorable image quality and sensiti- vity ratio.
Bussi Giuseppe
Cavallo Elio
Minnesota Mining And Manufacturing Company
Smart & Biggar
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