PROBLEM TO BE SOLVED: To enhance reliability of a radiation detection device.SOLUTION: A radiation detection device includes: a casing having a first plate part and a second plate part, which are disposed oppositely to each other a scintillator which is supported by a supporting part provided on the second plate part side of the casing and converts radiation to light a sensor panel having a sensor array which is disposed between the scintillator and the first plate part and in which a plurality of sensors for detecting light are arranged in an array shape and a member disposed between the first plate part and the sensor panel. The sensor panel is provided so that an outer edge thereof is located outside an outer edge of the scintillator and the member is provided so that an outer edge thereof is located outside the outer edge of the scintillator.COPYRIGHT: (C)2014,JPO&INPIT【課題】放射線検出装置の信頼性を向上する。【解決手段】放射線検出装置は、対向して配置された第1板部及び第2板部を有する筐体と、前記筐体の前記第2板部の側に設けられた支持部によって支持され、放射線を光に変換するシンチレータと、前記シンチレータと前記第1板部との間に配され、光を検出する複数のセンサがアレイ状に配されたセンサアレイを含むセンサパネルと、前記第1板部と前記センサパネルとの間に配された部材と、を備え、前記センサパネルは、その外縁が前記シンチレータの外縁よりも外側になるように設けられ、前記部材は、その外縁が前記シンチレータの外縁よりも内側になるように設けられている。【選択図】図1
