| 摘要 |
A radiation detection apparatus of the present invention includes an optical detector disposed on a substrate and having a plurality of photoelectric conversion elements which convert light into an electrical signal, and a scintillator layer disposed on the optical detector and having a columnar crystal structure which converts radiation into light, wherein the concentration of an activator of the scintillator layer is higher at the radiation incident side opposite the optical detector and is lower at the optical detector side. The scintillator panel of the present invention includes the substrate and the scintillator layer disposed on the substrate, wherein the concentration of the activator of the scintillator layer is higher at the radiation incident side and is lower at the light emission side.
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