PROBLEM TO BE SOLVED: To provide a radiation detection device capable of detecting radiation with low dose.SOLUTION: The radiation detection device includes: a substrate having a radiation shielding layer plural radiation detection elements which are two-dimensionally disposed on one plane of the substrate and a circuit element which is disposed on the a plane different from the plane of the substrate on which the radiation detection elements are disposed, and which is electrically connected to at least one or more of the radiation detection elements by means of a through-via which penetrates the substrate.SELECTED DRAWING: Figure 2ACOPYRIGHT: (C)2017,JPO&INPIT【課題】より低線量の放射線を検出することを可能にする。【解決手段】放射線遮蔽層を含む基板と、前記基板の一面に二次元配列された複数の放射線検出素子と、前記基板の前記放射線検出素子が配列された面と対向する他面に配置され、前記基板を貫通する貫通ビアによって、少なくとも一つ以上の前記放射線検出素子と電気的に接続される回路素子と、を備える、放射線検出装置。【選択図】図2A
