Reproduction of x-ray images with photostimulable phosphor

Details Reproduction of x-ray images with photostimulable phosphor Reproduction of x-ray images with photostimulable phosphor

C - Chemistry, Metallurgy

09

K

31/122, 117/22,

C09K 11/79 (2006.01) C09K 11/77 (2006.01) G21K 4/00 (2006.01)

Patent

CA 2009185

GV1557 GV1557 ABSTRACT REPRODUCTION OF X-RAY IMAGES WITH PHOTOSTIMULABLE PHOSPHOR A method for recording and reproducing an X-ray image comprising the steps of : (1) causing a photostimulable phosphor in a binder layer to absorb image-wise or pattern-wise modulated X-rays, (2) photostimulating said phosphor with stimulating electromagnetic radiation selected from visible light and infrared light to release from the phosphor in accordance with the absorbed X-rays electromagnetic radiation different in wavelength characteristic from the radiation used in the photo-stimulation, and (3) detecting said light emitted by photostimulation, wherein said phosphor is an alkali earth metal(s) halogermanate or an alkali earth metal(s) halo(silicate-germanate) doped with Eu2+ and/or Ce3+ and/or thallium, and optionally co-doped with a rare earth metal ion other than Eu2+ or Ce3+ or with Na+, K+ or Li+ or a mixture of at least two of these co-dopants.

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