Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1997-01-28
1999-02-16
Chea, Thorl
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430139, 430403, 430506, 430567, 430966, G03C 517, G03C 176
Patent
active
058718923
ABSTRACT:
Radiographic elements useful for therapy imaging are disclosed each comprised of a film support having first and second major surfaces and capable of transmitting radiation to which the radiographic element is responsive and, coated on both of the major surfaces, processing solution permeable hydrophilic colloid layers which are fully forehardened and limited to less than 45 mg/dm.sup.2 of hydrophilic colloid to facilitate processing in less than 45 seconds, at least one of said layers on each major surface including light-sensitive silver halide grains capable of providing a contrast in the range of from 4 to 8 and containing less than 3 mole percent iodide, based on silver, the hydrophilic colloid layers allowing at least 30 percent crossover within a spectral region within which the silver halide grains are light-sensitive. The radiographic elements are useful for either in localization or verification imaging.
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Research Disclosure, vol. 184, Aug. 1979, Item 18431.
Dickerson Robert E.
Haus Arthur G.
Huff Kenneth E.
Chea Thorl
Eastman Kodak Company
Thomas Carl O.
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