X-ray screens

Details X-ray screens X-ray screens

1975-12-22

1977-06-07

Mack, John H.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

96 82, 25230133, 250486, 427157, H01J 162, C09K 1112

Patent

active

040285502

ABSTRACT:
X-ray screens having reduced mottle and exhibiting improved image quality are prepared using europium-activated fluorohalide phosphors having an aminocoumarin brightening agent added thereto.

REFERENCES:
patent: 2776909 (1957-01-01), Fleck
patent: 3043710 (1962-07-01), Patten
patent: 3300310 (1967-01-01), Kennard et al.
patent: 3300311 (1967-01-01), Kennard et al.
patent: 3676436 (1972-07-01), Rao et al.
patent: 3787238 (1974-01-01), Juliano
patent: 3895157 (1975-07-01), Brixner et al.
patent: 3925674 (1975-12-01), D'Silva et al.
patent: 3936644 (1976-02-01), Rabatin

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