Direct X-ray elements capable of handling in ambient light

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...

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430966, 430603, 430517, 430522, 430606, 378168, 378185, G03C 146

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active

059255056

ABSTRACT:
Direct X-ray films are disclosed capable of being handled in room light prior to and during processing. The films contain silver halide grains responsive to X-radiation that are sulfur sensitized. The films also contain a combination of processing solution bleachable dyes chosen to provide prior to processing (a) an average density of greater than 3.0 over a first, continuous spectral sensitivity range extending from a minimum wavlength of 320 nm over which the silver halide grains exhibit an absorption coefficient of at least 0.5 cm.sup.-1 and (b) a density of greater than 3.0 throughout a second spectral range including wavelengths of from 600 to 650 nm.

REFERENCES:
patent: 2379383 (1945-06-01), Murray
patent: 2542304 (1951-02-01), Boucher
patent: 3963497 (1976-06-01), Kosti
patent: 5098818 (1992-03-01), Ito et al.
patent: 5370977 (1994-12-01), Zietlow
Research Disclosure, Sep. 1996, No. 389, Item 38957, IV. Chemical Sensitization.

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