Radiation sensitive element with absorber dye to enhance spectra

Details Radiation sensitive element with absorber dye to enhance spectra Radiation sensitive element with absorber dye to enhance spectra

1992-06-30

1994-03-29

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430508, 430517, 430522, 430519, 430520, 430521, 430570, 430572, 430584, 430944, 430606, G03C 1815

Patent

active

052983790

ABSTRACT:
A radiation detecting element, particularly a photographic element having a radiation detecting composition, in particular a silver halide emulsion. The composition provides the element with a wavelength of peak sensitivity, .lambda.peaksens, and a decreasing sensitivity around .lambda.peaksens. An absorber dye of defined characteristics is chosen, which has the effect of decreasing the change in sensitivity which the element otherwise has without the absorber dye (that is, the absorber dye increases the wavelength range over which the sensitivity is relatively constant). The element is preferably sensitive to infra-red.

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Research Disclosure, vol. 308, Item 308 119, p. 1003, VIII. Absorbing and Scattering Materials, Dec. 1989, Kenneth Mason Publications, Ltd.

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