| 简介 |
PROBLEM TO BE SOLVED : To obtain an oxygen introduced rare earth activated alkaline earth metal halogen fluoride-based stimulable phosphor with good yield and to provide a radiation image conversion panel having good brightness and structural mottle by using the stimulable phosphor. SOLUTION : The method for manufacturing an oxygen introduced rare earth activated alkaline earth metal halogen fluoride-based stimulable phosphor which has a phosphorus content of ≤50 ppm and is represented by formula (1) : Ba(1-x)M2(x)FBr(y)I(1-y) : aM1, bLn, cO (wherein M1is at least one element to be selected from Li, Na, K, Rb or Cs; M2is at least one element to be selected from Be, Mg, Sr or Ca; Ln is at least one element to be selected from Ce, Pr, Sm, Eu, Gd, Tb, Tm, Dy, Ho, Nd, Er and Yb; x, y, a, b, and c are 0≤x≤0.3, 0COPYRIGHT : (C)2003, JPO |
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