Intensifying screens

Details Intensifying screens Intensifying screens

1975-07-29

1977-08-02

Willis, Davis L.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

250483, G01J 158

Patent

active

040398404

ABSTRACT:
A radiographic intensifying screen having improved response function in the low spatial frequency region and high sharpness comprising a support and a fluorescent layer formed on the support, said fluorescent layer having dispersed therein fluorescent substance grains and having a grain size distribution of the fluorescent substance grains such that the grain size becomes smaller gradually from the front surface of the fluorescent layer to the back surface of the layer.

REFERENCES:
patent: 3077398 (1963-02-01), Jones
patent: 3717764 (1973-02-01), Fujimura et al.

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