JP7113844B2 - X線撮像用の放射線ハードシリコン検出器 - Google Patents
X線撮像用の放射線ハードシリコン検出器 Download PDFInfo
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- JP7113844B2 JP7113844B2 JP2019554552A JP2019554552A JP7113844B2 JP 7113844 B2 JP7113844 B2 JP 7113844B2 JP 2019554552 A JP2019554552 A JP 2019554552A JP 2019554552 A JP2019554552 A JP 2019554552A JP 7113844 B2 JP7113844 B2 JP 7113844B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/24—Measuring radiation intensity with semiconductor detectors
- G01T1/241—Electrode arrangements, e.g. continuous or parallel strips or the like
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/24—Measuring radiation intensity with semiconductor detectors
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- Molecular Biology (AREA)
- Measurement Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
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Description
・M.Danielsson,et al.,“Dose-efficient system for digital mammography”,Proc.SPIE,Physics of Medical Imaging,vol.3977,pp.239-249 San Diego,2000
・米国特許第8183535B2号明細書 Mats Danielsson et al.“XSilicon detector assembly for x-ray imaging”
・Cheng Xu et al.“Energy resolution of a segmented silicon strip detector for photon-counting spectral CT”Nuclear Instruments and Methods in Physics Research 715201311-17
・Xuejin Liu et al.“Spectral response model for a multibin photon-counting spectral computed tomography detector and its applications”Journal of Medical Imaging 23 2015 033502
・米国特許出願公開第2004/0251419号明細書 Nelson et al.“Device and system for enhanced SPECT,PET,and Compton scatter imaging in nuclear medicine”
・J.Zhang,“X-Ray Radiation Damage Studies and Design of a Silicon Pixel Sensor for Science at the XFEL”,Doctoral Thesis,University of Hamburg,DESY-THESIS-2013-018 2013.
・J.Schwandt,“Design of a Radiation Hard Silicon Pixel Sensor for X-ray Science”,Doctoral Thesis,Hamburg University,DESY-THESIS-2014-029 2014.
Claims (4)
- X線撮像用の検出器システムであって、前記検出器システムは、複数の隣接するエッジオン検出器モジュールを有する検出器を備え、
・各々の前記エッジオン検出器モジュールが、X線源に向かって配向されるように適合された第1縁部と、入射X線の方向と実質的に平行に伸びる前面とを備え、前記前面が、少なくとも1つの電荷収集電極と、前記電荷収集電極をフロントエンドエレクトロニクスと接続する複数のルーティングトレースとを備え、
・前記複数の隣接するエッジオン検出器モジュールの少なくとも1つのサブセットが、前面と前面とで2つを組にして配置され、前記組にして配置された隣接するエッジオン検出器モジュールの前面間に、前面間の間隙が画定され、
・前記組にして配置された隣接するエッジオン検出器モジュールの各組が、前記X線源と前記エッジオン検出器モジュールとの間のX線経路に配置された散乱防止コリメータに関連付けられており、かつ前記前面間のギャップに重なっており、前記散乱防止コリメータが、直接入射するX線から前記組にして配置された隣接するエッジオン検出器モジュールの前面体積が保護されるように配置され、
・前記組にして配置された隣接エッジオン検出器モジュールの各組が、前記前面間の間隙内に位置する散乱防止フォイルを有し、
前記エッジオン検出器モジュールが、半導体材料のエッジオン検出器モジュールを含み、
前記組にして配置されたエッジオン検出器モジュールの少なくとも1つのエッジオン検出器モジュールの後面が、対応するエッジオン検出器モジュールの後面に面するように配置されて、前記エッジオン検出器モジュールと前記対応するエッジオン検出器モジュールとの間に後面間の間隙が形成され、前記後面間の間隙が、減衰材料を備え、
前記減衰材料が、前記検出器モジュールに使用される前記半導体材料と実質的に同じ減衰特性を有する材料を含む、
検出器システム。 - 前記散乱防止コリメータが、高Z材料のコリメータを備える、請求項1に記載の検出器システム。
- 前記散乱防止フォイルが、高Z散乱防止フォイルを備える、請求項1から2のいずれか一項に記載の検出器システム。
- 前記半導体材料が、シリコンを含み、前記減衰材料が、シリコンを含む、請求項1に記載の検出器システム。
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US15/588,030 | 2017-05-05 | ||
US15/588,030 US10191162B2 (en) | 2017-05-05 | 2017-05-05 | Radiation hard silicon detectors for x-ray imaging |
PCT/SE2018/050420 WO2018203800A1 (en) | 2017-05-05 | 2018-04-25 | Radiation hard silicon detectors for x-ray imaging |
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US (1) | US10191162B2 (ja) |
EP (1) | EP3619554B1 (ja) |
JP (1) | JP7113844B2 (ja) |
KR (1) | KR102556733B1 (ja) |
CN (1) | CN110603464B (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US11086032B1 (en) | 2020-03-04 | 2021-08-10 | Prismatic Sensors Ab | Edge-on X-ray detector |
KR20220149699A (ko) | 2020-03-04 | 2022-11-08 | 프리스매틱 센서즈 에이비 | 동적 오정렬 민감도를 감소시키는 갭 충전 재료를 갖는 에지-온 x-선 검출기 |
US11389125B1 (en) * | 2021-02-05 | 2022-07-19 | GE Precision Healthcare LLC | System and method for mitigating trace triggering of channels in x-ray detector |
CN113223743B (zh) * | 2021-05-08 | 2023-10-20 | 西北核技术研究所 | 一种基于微孔阵列准直器的α放射源核电池 |
CN113252714A (zh) * | 2021-06-15 | 2021-08-13 | 德瑞科(天津)机械制造有限公司 | 一种具有滤波和防散射的结构及双能ct探测器 |
WO2023087123A1 (en) * | 2021-11-16 | 2023-05-25 | Shenzhen Xpectvision Technology Co., Ltd. | Image sensors with shielded electronics layers |
EP4329623A4 (en) * | 2021-11-24 | 2024-05-22 | Shanghai United Imaging Healthcare Co., Ltd. | DETECTOR SYSTEMS FOR IMAGING |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010510484A (ja) | 2006-11-17 | 2010-04-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 感光層上に複数の電極を有する放射線検出器 |
JP2010185752A (ja) | 2009-02-12 | 2010-08-26 | Hitachi Cable Ltd | 放射線検出器 |
WO2016209138A1 (en) | 2015-06-26 | 2016-12-29 | Prismatic Sensors Ab | Scatter estimation and/or correction in x-ray imaging |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60182650A (ja) * | 1984-02-29 | 1985-09-18 | Toshiba Corp | X線像増倍管装置 |
US5144141A (en) | 1991-08-19 | 1992-09-01 | General Electric Company | Photodetector scintillator radiation imager |
US5378894A (en) | 1991-12-11 | 1995-01-03 | Kabushiki Kaisha Toshiba | X-ray detector including scintillator channel separator capable of improving sensitivity of X-ray detector |
US5712483A (en) | 1996-06-28 | 1998-01-27 | The Regents Of The University Of California | X-ray grid-detector apparatus |
KR100689177B1 (ko) | 2002-10-07 | 2007-03-08 | 가부시키가이샤 히타치세이사쿠쇼 | 방사선 검출기 |
US7291841B2 (en) | 2003-06-16 | 2007-11-06 | Robert Sigurd Nelson | Device and system for enhanced SPECT, PET, and Compton scatter imaging in nuclear medicine |
WO2005006986A1 (en) | 2003-07-22 | 2005-01-27 | Koninklijke Philips Electronics N.V. | Radiation mask for two dimensional ct detector |
CN101577284B (zh) * | 2008-05-09 | 2011-04-13 | 同方威视技术股份有限公司 | 用于测量辐射的半导体探测器及成像装置 |
WO2010015959A2 (en) * | 2008-08-07 | 2010-02-11 | Koninklijke Philips Electronics N.V. | Combined asg, cathode, and carrier for a photon detector |
US8183535B2 (en) * | 2009-02-11 | 2012-05-22 | Mats Danielsson | Silicon detector assembly for X-ray imaging |
CN102221565B (zh) * | 2010-04-19 | 2013-06-12 | 清华大学 | X射线源光栅步进成像***与成像方法 |
JP5569842B2 (ja) * | 2010-08-04 | 2014-08-13 | 日立アロカメディカル株式会社 | 放射線検出器及び放射線検出装置 |
US8629408B2 (en) * | 2011-01-28 | 2014-01-14 | Analogic Corporation | Overlapping detector elements of a detector array for a radiation system |
US10067239B2 (en) * | 2012-05-31 | 2018-09-04 | Minnesota Imaging And Engineering Llc | Detector systems for radiation imaging |
WO2013191001A1 (ja) | 2012-06-20 | 2013-12-27 | 株式会社日立メディコ | X線ct装置 |
US9076563B2 (en) * | 2013-06-03 | 2015-07-07 | Zhengrong Ying | Anti-scatter collimators for detector systems of multi-slice X-ray computed tomography systems |
EP3129957B1 (en) * | 2014-04-07 | 2019-06-12 | Prismatic Sensors AB | Spectral x-ray imaging |
US10222488B2 (en) | 2015-09-24 | 2019-03-05 | Prismatic Sensors Ab | Modular x-ray detector |
EP3234950B1 (en) | 2015-10-30 | 2022-07-13 | Shanghai United Imaging Healthcare Co., Ltd. | Anti-scatter grid for radiation detector |
US10610191B2 (en) * | 2017-07-06 | 2020-04-07 | Prismatic Sensors Ab | Managing geometric misalignment in x-ray imaging systems |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010510484A (ja) | 2006-11-17 | 2010-04-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 感光層上に複数の電極を有する放射線検出器 |
JP2010185752A (ja) | 2009-02-12 | 2010-08-26 | Hitachi Cable Ltd | 放射線検出器 |
WO2016209138A1 (en) | 2015-06-26 | 2016-12-29 | Prismatic Sensors Ab | Scatter estimation and/or correction in x-ray imaging |
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KR20200002915A (ko) | 2020-01-08 |
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CN110603464B (zh) | 2023-05-26 |
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WO2018203800A1 (en) | 2018-11-08 |
IL268907B (en) | 2021-05-31 |
IL268907A (en) | 2019-10-31 |
EP3619554B1 (en) | 2023-12-06 |
EP3619554A1 (en) | 2020-03-11 |
EP3619554A4 (en) | 2020-12-30 |
JP2020518794A (ja) | 2020-06-25 |
CN110603464A (zh) | 2019-12-20 |
KR102556733B1 (ko) | 2023-07-17 |
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