Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1982-09-30
1984-01-10
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430139, 430567, 430569, 430570, 430966, G03C 176
Patent
active
044254261
ABSTRACT:
Radiographic elements are disclosed comprised of first and second imaging portions separated by an interposed support capable of transmitting radiation to which the second imaging portion is responsive. At least the first imaging portion includes a silver halide emulsion in which thin tabular silver halide grains of intermediate aspect ratios are present. Spectral sensitizing dye is adsorbed to the surface of the tabular grains. Crossover can be improved in relation to the imaging characteristics.
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Zelikman and Levi Making and Coating Photographic Emulsions, Focal Press 1964, p. 223.
deCugnac and Chateau, "Evolution of the Morphology of Silver Bromide Crystals During Physical Ripening", Science et Industries Photographiques, vol. 33, No. 2 (1962), pp. 121-125.
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Mees, The Theory of the Photographic Process, pp. 1062-1073.
Abbott Thomas I.
Jones Cynthia G.
Downey Mary F.
Eastman Kodak Company
Thomas Carl O.
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