| 摘要 |
A radiation image detector comprising: a scintillator panel comprising a substrate having thereon a phosphor layer; a protective cover provided on a side of the substrate opposite the phosphor layer, wherein a radiation is incident on the side of the substrate opposite the phosphor layer; a light receiving element provided on a side of the scintillator panel opposite the protective cover, the light receiving element having a plurality of two-dimensionally arrayed light receiving pixels which photoelectrically convert light generated by the scintillator panel, wherein distance D satisfies: 0.2 mm<=D<=2.0 mm wherein D is a distance between following (i) and (ii): (i) a surface of the protective cover facing the scintillator panel; and (ii) a surface of the substrate on which the phosphor layer is provided.
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