| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a radiation image conversion panel with a structure to achieve an improvement in the moisture resistance at the periphery of the panel. Ž<P>SOLUTION: This radiation image conversion panel 1 comprises a support body 100, and a radiation converting film 200 formed on the support body 100. The radiation converting film 200 is formed on a film-forming region R which includes at least a gravity center position of a first main surface 100a, within the first main surface 100a of the support body 100. The average crystal diameter of columnar crystals located on a peripheral measuring area of the film-forming region R is controlled to be 1.3 times larger or more than the average crystal diameter of columnar crystals located on a central measuring area, corresponding to a gravity center position G of the film forming region R, whereby moisture resistance in the periphery of the panel is improved so that sufficient fluorescence lifetime of the panel as a whole is maintained. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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