| 摘要 |
PROBLEM TO BE SOLVED: To provide a scintillation plate having high emission efficiency without losing resolution. SOLUTION: In the scintillation plate, a plurality of pores penetrating in the thickness direction of a flat substrate are formed on the flat substrate, the sectional area of the pores differs between the upper and lower surface sides of the substrate, and a scintillation material emitting light by irradiating radiation is filled into the pores. ZnS (P<SB>2</SB>O) powder that is a scintillation material is filled into pore regions 1 arranged in a matrix. The pore area of an outlet 3 is relatively smaller than that of an inlet 2. A partition region 4 is formed by Cu, an aluminum thin film 5 as a light reflection layer is formed on the surface at the inlet side, and a C (carbon) film 6 is formed at the outlet side as a protective layer. COPYRIGHT: (C)2005,JPO&NCIPI
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