Radiographic intensifying screen

Details Radiographic intensifying screen Radiographic intensifying screen

1981-03-10

1982-12-07

Dixon, Harold A.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

2504861, G01J 158

Patent

active

043629440

ABSTRACT:
In an intensifying screen composed of a support, a fluorescent layer disposed on the support and a protective layer disposed on the fluorescent layer, the fluorescent layer is composed of one or more phosphors selected from the group consisting of a terbium activated rare earth oxysulfide phosphor, a divalent europium activated alkali earth metal fluorohalide phosphor and a silver activated sulfide phosphor, and the protective layer is a light absorption layer which absorbs a part of light emitted by the fluorescent layer.

REFERENCES:
patent: 2113973 (1938-04-01), Addink et al.
patent: 2150966 (1939-03-01), Eggert et al.
patent: 3725704 (1973-04-01), Buchanan et al.
patent: 4012637 (1977-03-01), Swank
patent: 4028550 (1977-06-01), Weiss et al.
patent: 4149083 (1979-04-01), Suys et al.

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