C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
358/11, 31/206
C09K 11/66 (2006.01) C09K 11/56 (2006.01) C09K 11/60 (2006.01) G21K 4/00 (2006.01)
Patent
CA 1300364
Method For Recording And Reproducing A Radiation Image, Radiation Image Storage Panel, Photo- stimulable Phosphors And Method For Obtaining Said Stimulable Phosphors ABSTRACT OF DISCLOSURE A method for recording and reproducing a radiation image comprising the steps of (i) causing a phosphor, which can be stimulated by light radiation, to absorb a radiation passing through an object, (ii) stimulating said phosphor with light radiation to release the stored energy as fluorescent light, and (iii) detecting said fluorescent light with light detecting means, is characterized by the fact that said stimulating radiation is in the range of the visible light and the detected fluorescent light is in the range of the infrared radiation. Infrared emitting photostimulable phosphors include barium or strontium sul- fates or solid solutions thereof doped with alkali metal ions. A method for obtaining said phosphors comprises heating at a temperature of at least 600°C. A radiation image storage panel includes phosphors which, upon stimu- lation with visible light, emit radiation in the range of infrared region.
541432
Krawietz Florian
Morlotti Romano
Minnesota Mining And Manufacturing Company
Smart & Biggar
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