PROBLEM TO BE SOLVED: To provide a radiation image detector which is inexpensive, is light in weight, and is capable of obtaining digital radiation images of high image quality.SOLUTION: A cassette type radiation image detector includes: an imaging panel 71 having a first component 211 for outputting light according to the intensity of incident radiations and a second component 212 for converting the light outputted from the first component to electric energy and outputting signals based on the obtained electric energy a support 214 which is provided on a radiation incident surface side of the imaging panel 71 to secure mechanical strength, and through which the radiation made incident on the imaging panel 71 passes a support 214-2 provided on a surface side opposite to the radiation incident surface of the imaging panel 71 to secure the mechanical strength and a housing 40 for housing the imaging panel 71, the support 214, and the support 214-2.COPYRIGHT: (C)2014,JPO&INPIT【課題】安価でかつ軽量で高画質のデジタル放射線画像が得られる放射線画像検出器を提供する。【解決手段】入射した放射線の強度に応じて光を出力する第1の構成要素211、および第1の構成要素から出力された光を電気エネルギーに変換して、得られた電気エネルギーに基づく信号を出力する第2の構成要素212を有した撮像パネル71と、撮像パネル71の放射線入射面側に設けられて機械的強度を確保すると共に、撮像パネル71に入射する放射線が貫通する支持体214と、撮像パネル71の放射線入射面とは逆面側に設けられた機械的強度を確保する支持体214-2と、撮像パネル71、支持体214、および支持体214-2を収納する筐体40とを有する。【選択図】図13
