OXYGEN-INTRODUCED RARE EARTH-ACTIVATED ALKALINE EARTH METAL FLUORIDE HALIDE-BASED PHOTOSTIMULABLE PHOSPHOR AND RADIOGRAPHIC IMAGE TRANSFORMATION PANEL

摘要

PROBLEM TO BE SOLVED: To obtain a photostimulable phosphor having high emission intensity and excellent in erasing characteristics and to provide a radiographic image transformation panel using the photostimulable phosphor.;SOLUTION: The oxygen-introduced rare earth-activated alkaline earth metal fluoride halide-based photostimulable phosphor is expressed by the formula (1): Ba_(1-x)M²_xFBr_yI_(1-y): aM¹, bLn, cO and the content of phosphorus in the photostimulable phosphor is ≤50 ppm.;COPYRIGHT: (C)2003,JPO