Method for recording and reproducing a radiation image, apparatu

Details Method for recording and reproducing a radiation image, apparatu Method for recording and reproducing a radiation image, apparatu

1993-09-30

1994-11-22

Cooper, Jack

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

250585, 2523014R, 2523014F, 2523015, 2523016R, 428690, G01N 2304, C09K 1167

Patent

active

053671732

ABSTRACT:
The present invention relates to new phosphors for use in panels, apparatus and methods for recording and reproducing a high energy radiation image, including the steps of stimulating a phosphor image-wise exposed to radiation and detecting the fluorescent light emitted by said phosphor upon stimulation, said phosphor being a green emitting terbium activated alkali metal tantalate, doped with at least one element selected in the group consisting of Mg, Ca, Sr, Ba, Al, Ga, Ge, Pb, Bi, transition elements and lanthanides.

REFERENCES:
patent: 3459674 (1969-08-01), Emoto et al.
patent: 4024069 (1977-05-01), Larach
patent: 5120619 (1992-06-01), Nakajima et al.
Blasse et al. "J of Solid State Chemistry", 3, pp. 69-74 (1971).

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