Radiographic intensifying screen

Details Radiographic intensifying screen Radiographic intensifying screen

1989-10-23

1990-12-18

Howell, Janice A.

X-ray or gamma ray systems or devices

Photographic detector support

Sheet film cassette

2504831, G03B 4204, G01J 158, G01N 2164

Patent

active

049792008

ABSTRACT:
A radiographic intensifying screen which comprises a support, a fluorescent layer formed thereon comprising an X-ray luminescent phosphor and a binder resin supporting the X-ray luminescent phosphor in a dispersed state, and a protective layer formed on the fluorescent layer, wherein the proportion of the binder resin to the X-ray luminescent phosphor is within a range of from 4 to 8% by weight on the average of the entire fluorescent layer, and the binder resin is unevenly distributed in the fluorescent layer so that the proportion of the binder resin to the X-ray luminescent phosphor in the fluorescent layer in the vicinity of the protective layer is higher than the proportion of the binder resin to the X-ray excitable phosphor in the remainder of the fluorescent layer.

REFERENCES:
patent: 4574102 (1986-03-01), Arakawa et al.

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