JP2022525062A - 撮像アプリケーションのための光検出器 - Google Patents
撮像アプリケーションのための光検出器 Download PDFInfo
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Abstract
Description
Claims (12)
- 各フォトダイオードがバルク感知性領域と前記フォトダイオードのフォトリソグラフィによって画定されたエッジにおける周辺部とを有する複数のフォトダイオードを有するフォトダイオードアレイと、
前記フォトダイオードの前記エッジにおける電荷のトラッピングを抑制する電荷トラッピング抑制ユニットであって、前記電荷トラッピング抑制ユニットは前記フォトダイオードの前記バルク感知性領域の前記周辺部で直接に接触する金属バイアスラインを備え、前記金属バイアスラインが、前記フォトダイオードの前記エッジにおけるトラップサイトからの前記バイアスラインの極性と同一極性のキャリアを反発するように前記バイアスラインをバイアスするために電圧源に接続可能である、電荷トラッピング抑制ユニットとを備える、撮像アプリケーションのための光検出器であって、
前記バルク感知性領域がアモルファス状態材料を含む、光検出器。 - 前記電荷トラッピング抑制ユニットは、前記フォトダイオードアレイを被覆するシャドウマスクを備え、前記シャドウマスクは、前記フォトダイオードの前記エッジが前記シャドウマスクによって被覆されるように、前記フォトダイオードの前記バルク感知性領域よりも小さな複数の開口を有する、請求項1に記載の光検出器。
- 前記フォトダイオードは、それぞれが、下部金属電極と、フォトリソグラフィによって画定されたエッジにその周辺部を備えた前記バルク感知性材料と、上部金属電極とを備え、
前記上部金属電極は入射光に面し、前記下部金属電極は前記入射光から離れる方向に面している、請求項1又は2に記載の光検出器。 - 前記金属バイアスラインは、前記フォトダイオードの前記下部金属電極と前記上部金属電極とに接触していない、請求項3に記載の光検出器。
- 前記フォトダイオードのバイアスはゼロである、請求項1から4のいずれか一項に記載の光検出器。
- 前記フォトダイオードは、下部金属電極とバルク光感知性有機半導体材料と上部金属電極とを備えたフォトダイオードである、請求項1から5のいずれか一項に記載の光検出器。
- 医用撮像への応用のための光検出器を製造する方法であって、前記方法は、
各フォトダイオードがアモルファス状態材料のバルク感知性領域と前記フォトダイオードのフォトリソグラフィによって画定されたエッジにおける周辺部とを有する複数のフォトダイオードを有するフォトダイオードアレイを製造するステップ、
フォトリソグラフィの間に、前記フォトダイオードの前記バルク感知性領域の前記周辺部に、金属バイアスラインを直接に付与するステップであって、前記金属バイアスラインは、前記フォトダイオードの前記エッジにおけるトラップサイトからの前記バイアスラインの極性と同一極性のキャリアを反発するように前記バイアスラインをバイアスするために電圧源に接続可能である、付与するステップ、及び/又は
前記フォトダイオードアレイを被覆するシャドウマスクを付与するステップであって、前記シャドウマスクは、前記フォトダイオードの前記エッジが前記シャドウマスクによって被覆されるように、前記フォトダイオードの前記バルク感知性領域よりも小さな複数の開口を有する、付与するステップ
を有する、方法。 - バイアス電圧を前記金属バイアスラインに印加するステップと、
前記フォトダイオードアレイを用いて光子を検出するステップとを有する請求項1から5のいずれか一項に記載の光検出器を用いて光子を検出する方法であって、
前記フォトダイオードのバイアスはゼロである、方法。 - 請求項1から6のいずれか一項に記載の光検出器を少なくとも1つ備える、撮像システム。
- X線コンピュータ断層診断システムの形式の医用撮像システムである、請求項9に記載の撮像システム。
- セキュリティ走査システムである、請求項9に記載の撮像システム。
- X線源をさらに備え、
前記光検出器の前記複数のフォトダイオードはゼロボルトのバイアスを有する、請求項9から11のいずれか一項に記載の撮像システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP19162544.1 | 2019-03-13 | ||
EP19162544.1A EP3709360A1 (en) | 2019-03-13 | 2019-03-13 | Photodetector for imaging applications |
PCT/EP2020/055764 WO2020182588A1 (en) | 2019-03-13 | 2020-03-05 | Photodetector for imaging applications |
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JP2022525062A true JP2022525062A (ja) | 2022-05-11 |
JPWO2020182588A5 JPWO2020182588A5 (ja) | 2023-03-09 |
JP7527301B2 JP7527301B2 (ja) | 2024-08-02 |
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US (1) | US20220157880A1 (ja) |
EP (2) | EP3709360A1 (ja) |
JP (1) | JP7527301B2 (ja) |
CN (1) | CN113574672A (ja) |
WO (1) | WO2020182588A1 (ja) |
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CN116472611A (zh) * | 2021-11-19 | 2023-07-21 | 京东方科技集团股份有限公司 | 探测基板及探测装置 |
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US7233640B2 (en) | 2003-11-26 | 2007-06-19 | General Electric Company | CT detector having an optical mask layer |
JP2007109905A (ja) | 2005-10-14 | 2007-04-26 | Hitachi Ltd | 放射線検出器 |
US7737409B2 (en) * | 2008-06-12 | 2010-06-15 | Analog Devices, Inc. | Silicon detector and method for constructing silicon detectors |
US8299472B2 (en) * | 2009-12-08 | 2012-10-30 | Young-June Yu | Active pixel sensor with nanowire structured photodetectors |
JPWO2011148574A1 (ja) * | 2010-05-28 | 2013-07-25 | パナソニック株式会社 | 固体撮像装置 |
JP2012114160A (ja) | 2010-11-22 | 2012-06-14 | Panasonic Corp | 固体撮像装置及びその製造方法 |
WO2012120653A1 (ja) * | 2011-03-08 | 2012-09-13 | ユニサンティス エレクトロニクス シンガポール プライベート リミテッド | 半導体装置の製造方法、及び、半導体装置 |
US20160267337A1 (en) | 2013-11-05 | 2016-09-15 | Merck Patent Gmbh | Detector array for vein recognition technology |
US9985061B2 (en) * | 2014-03-20 | 2018-05-29 | Sharp Kabushiki Kaisha | Light detection device with integrated photodiode and thin film transistor |
EP3322342B1 (en) * | 2015-07-14 | 2023-11-22 | DOSE Smart Imaging | Apparatus for radiation detection in a digital imaging system |
JP2017168812A (ja) | 2016-03-10 | 2017-09-21 | パナソニックIpマネジメント株式会社 | 撮像装置 |
JP7007088B2 (ja) * | 2016-12-07 | 2022-01-24 | ソニーセミコンダクタソリューションズ株式会社 | 受光素子、撮像素子および電子機器 |
CN110506388B (zh) | 2017-02-21 | 2024-08-06 | 西门子歌美飒可再生能源公司 | 控制风力涡轮发电机 |
CN109671729B (zh) * | 2017-10-17 | 2021-04-09 | 京东方科技集团股份有限公司 | 探测单元及其制作方法、平板探测器 |
-
2019
- 2019-03-13 EP EP19162544.1A patent/EP3709360A1/en not_active Withdrawn
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2020
- 2020-03-05 EP EP20707131.7A patent/EP3939086A1/en active Pending
- 2020-03-05 JP JP2021553781A patent/JP7527301B2/ja active Active
- 2020-03-05 CN CN202080020773.XA patent/CN113574672A/zh active Pending
- 2020-03-05 WO PCT/EP2020/055764 patent/WO2020182588A1/en unknown
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WO2020182588A1 (en) | 2020-09-17 |
EP3939086A1 (en) | 2022-01-19 |
EP3709360A1 (en) | 2020-09-16 |
JP7527301B2 (ja) | 2024-08-02 |
CN113574672A (zh) | 2021-10-29 |
US20220157880A1 (en) | 2022-05-19 |
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