PROBLEM TO BE SOLVED: To secure productivity and maintainability, as securing an electromagnetic shield property in a radiation detection device having an arrangement from a side to be irradiated with radiation in order of a conductive member to which fixed potential is supplied, a pixel array, and a scintillator.SOLUTION: A radiation detection device includes: a scintillator 400； a pixel array 302 in which a plurality of pixels P for converting visible light converted by the scintillator 400 into an electric signal is arrayed on a first surface 306 of a substrate 301 in a two-dimensional array； a plurality of connection terminal parts 303 that is provided around the pixel array 302 of the first surface 306 of the substrate 301； and a conductive member 200 to which constant potential is supplied. The radiation detection device has an arrangement from a side to be irradiated with radiation, in order of the conductive member 200, the pixel array 302, and the scintillator 400, in which the scintillator 400 is arranged on a first surface 306 side, and the conductive member 200 is arranged in an area exclusive of an area 309 opposing the plurality of connection terminal parts 303 of a second surface 307 opposing the first surface 306 of the substrate 301.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】 放射線が照射される側から、固定電位が供給される導電性部材、画素アレイ、シンチレータの順に配置される放射線検出装置において、電磁シールド性を確保しつつ生産性とメンテナンス性を確保する。【解決手段】 シンチレータ４００と、シンチレータ４００により変換された可視光を電気信号に変換する画素Ｐが基板３０１の第１表面３０６に２次元アレイ状に複数配置された画素アレイ３０２と、基板３０１の第１表面３０６の画素アレイ３０２の周辺に設けられた複数の接続端子部３０３と、定電位が供給される導電性部材２００と、を含み、放射線が照射される側から、導電性部材２００、画素アレイ３０２、シンチレータ４００の順に配置され、且つ、シンチレータ４００が第１表面３０６側に配置され、導電性部材２００が、基板３０１の第１表面３０６と対向する第２表面３０７の複数の接続端子部３０３と対向する領域３０９を除く領域に配置されている。【選択図】 図１
