Radiographic intensifying screen and process for the preparation

Details Radiographic intensifying screen and process for the preparation Radiographic intensifying screen and process for the preparation

1988-06-13

1990-08-28

Fields, Carolyn E.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

427157, 428690, G21K 400

Patent

active

049528130

ABSTRACT:
A radiographic intensifying screen comprising a support and a phosphor-containing resin layer provided thereon, in which the void ratio of said phosphor-containing resin layer is reduced in comparison with an ordinarily prepared phosphor-containing resin layer having the same binder-phosphor ratio and formed by a coating procedure conducted under an atmospheric pressure.
The void ratio is not more than 85% of the void ratio of the ordinarily prepared phosphor-containing resin layer for a phosphor-containing resin layer which contains a resinous binder and a phosphor in a weight ratio of 1:1 to 1:25, the ratio of 1:25 being exclusive, and the void ratio is not more than 90% for a phosphor-containing resin layer which contains a resinuous binder and a phosphor in a weight ratio of 1:25 to 1:100.

REFERENCES:
patent: 4224524 (1980-09-01), Suys et al.
patent: 4298650 (1981-11-01), Lu
patent: 4472635 (1984-09-01), Yokota et al.
patent: 4501971 (1985-02-01), Ochiani

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