PROBLEM TO BE SOLVED: To provide a radiation image detector having both of high image quality and durability.SOLUTION: A radiation image detector 1 comprises: a radiation image conversion panel 2 including a fluorescent body 18 having a group of columnar crystals, each of which is grown into a columnar shape from a crystal of a fluorescent material emitting fluorescence upon exposure to radiation, and a protection film 19 which covers at least a fluorescence emitting surface of the fluorescent body a sensor panel 3 which detects the fluorescence emitted from the fluorescent body and an adhesive layer 25 lying between the protection film covering the fluorescence emitting surface and the light receiving surface of the sensor panel, for laminating the radiation image conversion panel to the sensor panel. The surface of the protection layer is subjected to plasma treatment. The adhesive layer has a thickness of 10 μm to 40 μm.COPYRIGHT: (C)2013,JPO&INPIT【課題】放射線画像検出装置の画質と耐久性とを両立させる。【解決手段】放射線画像検出装置1は、放射線露光によって蛍光を発する蛍光物質の結晶が柱状に成長してなる柱状結晶の群を有する蛍光体18と、前記蛍光体の少なくとも蛍光出射面を覆う保護膜19と、を含む放射線画像変換パネル2と、前記蛍光体から出射される蛍光を検出するセンサパネル3と、前記蛍光出射面を覆う前記保護膜と前記センサパネルの受光面との間に介在して前記放射線画像変換パネルと前記センサパネルとを貼り合わせる粘着層25と、を備え、前記保護膜の表面は、プラズマ処理されており、前記粘着層の厚みが10μm以上40μm以下である。【選択図】図1
