PROBLEM TO BE SOLVED: To miniaturize and thin an electronic cassette.SOLUTION: An electronic cassette comprises: a scintillator 41 for converting radiated X-rays into light a TFT substrate 42 that is means for converting light emitted from the scintillator 41 into electric signals and that is disposed in front of the scintillator 41 in an incident direction of the X-rays, and in which a light detection surface 61, provided with a detection element array 44 composed of a photo diode and a TFT and performing photoelectric conversion, is disposed facing the scintillator 41 circuit boards 36-39 for processing the electric signals output by the TFT substrate 42 and flexible substrates 46 that are flexible connection means for connecting the TFT substrate 42 to the circuit substrates 36-39 and that connect the TFT substrate 42 to the circuit substrates 36-39 so as to hide behind the TFT substrate 42 while the TFT substrate 42 is connected to the circuit substrates 36-39.COPYRIGHT: (C)2012,JPO&INPIT【課題】電子カセッテを小型化・薄型化する。【解決手段】照射されたX線を光に変換するシンチレータ41と、シンチレータ41から放射された光を電気信号に変換する手段であり、X線の入射方向においてシンチレータ41の前方に配置されるとともに、フォトダイオードとTFTからなり光電変換を行う検出素子アレイ44が設けられた光検出面61をシンチレータ41に向けて配置されるTFT基板42と、TFT基板42が出力する電気信号を処理する回路基板36~39と、TFT基板42と回路基板36~39を接続するフレキシブルな接続手段であり、TFT基板42と回路基板36~39を接続した状態で、TFT基板42の背後に隠れるようにTFT基板42と回路基板36~39を接続するフレキシブル基板46と、を備える。【選択図】図5
