JP6231778B2 - 電気デバイスおよび放射線検査装置 - Google Patents
電気デバイスおよび放射線検査装置 Download PDFInfo
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Description
図1を参照しながら、第1実施形態にかかる放射線撮像装置10(以下、「装置10」)を説明する。図1は、装置10の構成例を模式的に示している。図1(a)は、装置10の全体構成の上面図を示している。図1(b)は、図1(a)におけるカットラインA−A’の断面構造を示している。図1(c)は、図1(a)におけるカットラインB−B’の断面構造を示している。図1(d)は、図1(a)における領域Cの拡大図を示している。
図2を参照しながら、第2実施形態にかかる放射線撮像装置20を説明する。図2は、放射線撮像装置20(以下、「装置20」)の構成例を模式的に示しており、図2(a)乃至(d)のそれぞれは、図1(a)乃至(d)のそれぞれに、それぞれ対応させて示している。本実施形態は、フレキ230に折り曲げ部Kが設けられていない点で第1実施形態と異なる。
以下では、図3を参照しながら、上述の各実施形態で述べた装置10ないし20を用いて、大型のセンサパネルを形成する実施形態を述べる。ここでは、複数の装置10を用いて大型のセンサパネルを形成する場合を例示するが、装置20を用いる場合も同様である。
上述の放射線撮像装置は、放射線検査装置等に代表される撮像システムに適用されうる。撮像システムは、例えば、撮像装置と、イメージプロセッサ等を含む信号処理部と、ディスプレイ等を含む表示部と、放射線を発生させるための放射線源と、を備える。なお、放射線は、X線、α線、β線、γ線、宇宙線等の粒子線や電磁波を含む。
Claims (8)
- 基板の外周に沿うように前記基板の上に設けられた導電性のガードリングと、
前記基板の上において前記ガードリングよりも内側に設けられた基板電極と、
前記基板電極の上方に設けられた接続部と、
前記基板と前記接続部との間に配された異方導電性の部材と、を備える電気デバイスであって、
前記接続部は、前記基板電極を外部装置に電気的に接続するための導電部材と、絶縁部材と、を有し、
前記絶縁部材は、前記導電部材のうちの前記基板電極の直上の部分が接続部電極として露出するように前記導電部材の下面を覆っており、
前記基板電極と前記接続部電極とは、前記異方導電性の部材のうち前記基板電極と前記接続部電極との間の部分が圧着されることで電気的に接続されており、
前記電気デバイスは、前記基板の上において前記ガードリングと前記基板電極との間にそれらを露出するように配された絶縁性の保護膜であって、その上面が前記ガードリングの上面および前記基板電極の上面よりも高くなるよう設けられた保護膜を更に備え、
前記絶縁部材の端は、前記導電部材と前記ガードリングとが前記圧着された前記異方導電性の部材によって電気的に接続されないように平面視において前記ガードリングの前記基板電極側の端よりも内側に位置すると共に前記保護膜と重なるように位置している、
ことを特徴とする電気デバイス。 - 前記導電部材は、平面視において前記異方導電性部材の前記圧着された部分より外側の第1位置から前記外部装置側に向かって、前記基板と離間する方向に延在しており、
前記絶縁部材の端は、前記基板電極と前記接続部電極との電気的接続を妨げないように平面視において前記第1位置より外側に位置している、
ことを特徴とする請求項1に記載の電気デバイス。 - 基板の外周に沿うように前記基板の上に設けられた導電性のガードリングと、
前記基板の上において前記ガードリングよりも内側に設けられた基板電極と、
前記基板電極の上方に設けられた接続部と、
前記基板と前記接続部との間に配された異方導電性の部材と、を備え、
前記接続部は、前記基板電極を外部装置に電気的に接続するための導電部材と、絶縁部材と、を有し、
前記絶縁部材は、前記導電部材のうちの前記基板電極の直上の部分が接続部電極として露出するように前記導電部材の下面を覆っており、
前記基板電極と前記接続部電極とは、前記異方導電性の部材のうち前記基板電極と前記接続部電極との間の部分が圧着されることで電気的に接続されており、前記導電部材は、平面視において該圧着された部分より外側の第1位置から前記外部装置側に向かって、前記基板と離間する方向に延在しており、
前記絶縁部材の端は、前記導電部材と前記ガードリングとが前記圧着された前記異方導電性の部材によって電気的に接続されないように平面視において前記ガードリングの前記基板電極側の端よりも内側に位置すると共に、前記基板電極と前記接続部電極との電気的接続を妨げないように平面視において前記第1位置より外側に位置している、
ことを特徴とする電気デバイス。 - 前記電気デバイスは、前記基板の上において前記ガードリングと前記基板電極との間にそれらを露出するように配された絶縁性の保護膜であって、その上面が前記ガードリングの上面および前記基板電極の上面よりも高くなるよう設けられた保護膜を更に備え、
前記絶縁部材の端は、平面視において前記保護膜と重なるように位置している、
ことを特徴とする請求項3に記載の電気デバイス。 - 前記絶縁部材は開口を有しており、前記接続部電極は、当該開口から前記絶縁部材の下面よりも下側に突出して形成されている、
ことを特徴とする請求項3又は請求項4に記載の電気デバイス。 - 前記接続部は、前記絶縁部材の下に設けられた第2の導電部材をさらに有しており、前記第2の導電部材は前記ガードリングに電気的に接続されている、
ことを特徴とする請求項1乃至5のいずれか1項に記載の電気デバイス。 - 前記電気デバイスは、放射線撮像装置を含み、
前記接続部は、フレキシブルプリント基板を含み、
前記基板は、放射線を検知する複数のセンサが配列されたセンサアレイを有し、前記接続部は、前記基板電極を介して前記センサアレイに電気的に接続されている、
ことを特徴とする請求項1乃至6のいずれか1項に記載の電気デバイス。 - 放射線撮像装置を含む請求項7に記載の電気デバイスと、
放射線を発生する放射線源と、を備える、
ことを特徴とする放射線検査装置。
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