Process and element for obtaining a photographic image

Details Process and element for obtaining a photographic image Process and element for obtaining a photographic image

G - Physics

03

C

96/105

G03C 1/005 (2006.01) G03C 1/035 (2006.01) G03C 1/18 (2006.01)

Patent

CA 1312767

Process and Element for Obtaining a Photoqraphic Image ABSTRACT OF DISCLOSURE A photographic image is formed with silver halide emulsions by using optically unsensitized light sensitive (coarse) silver halide grains. Optically (or spectrally) sensitized fine grains (or crystals or particles), - espe cially light insensitive or Lippmann silver halide grains-, can be reactively associated with optically (or spectrally) unsensitized light sensitive (coarse) silver halide grains to get a combination of Spectrally Sensi- tized Fine Grains with Spectrally Unsensitized Light Sen- sitive or Coarse Grains, - especially Tabular Grains -, which can be imagewise exposed (to the light absorbed by the dye sensitizer adsorbed on the surface of such fine grains) and developed with substantially the same sensi- tivity of the light sensitive optically sensitized (coarse) silver halide grains.

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