CN100459937C - 具有光遮罩层的ct检测器 - Google Patents

具有光遮罩层的ct检测器 Download PDF

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Publication number
CN100459937C
CN100459937C CNB2004100958318A CN200410095831A CN100459937C CN 100459937 C CN100459937 C CN 100459937C CN B2004100958318 A CNB2004100958318 A CN B2004100958318A CN 200410095831 A CN200410095831 A CN 200410095831A CN 100459937 C CN100459937 C CN 100459937C
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CN
China
Prior art keywords
detector
photodiode
light
array
scintillator
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CNB2004100958318A
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English (en)
Chinese (zh)
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CN1644166A (zh
Inventor
阿卜杜拉齐兹·伊克莱弗
格雷戈里·S·泽曼
乔治·E·波辛
李文
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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Publication of CN1644166A publication Critical patent/CN1644166A/zh
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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
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/2018—Scintillation-photodiode combinations
    • G01T1/20183—Arrangements for preventing or correcting crosstalk, e.g. optical or electrical arrangements for correcting crosstalk
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4233—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • A61B6/5282—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to scatter
    • 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
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/2018—Scintillation-photodiode combinations
    • G01T1/20182—Modular detectors, e.g. tiled scintillators or tiled photodiodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Measurement Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
CNB2004100958318A 2003-11-26 2004-11-26 具有光遮罩层的ct检测器 Expired - Fee Related CN100459937C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US52537703P 2003-11-26 2003-11-26
US60/525,377 2003-11-26
US10/707,407 US7233640B2 (en) 2003-11-26 2003-12-11 CT detector having an optical mask layer
US10/707,407 2003-12-11

Publications (2)

Publication Number Publication Date
CN1644166A CN1644166A (zh) 2005-07-27
CN100459937C true CN100459937C (zh) 2009-02-11

Family

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Family Applications (1)

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CNB2004100958318A Expired - Fee Related CN100459937C (zh) 2003-11-26 2004-11-26 具有光遮罩层的ct检测器

Country Status (4)

Country Link
US (1) US7233640B2 (enExample)
JP (1) JP4683906B2 (enExample)
CN (1) CN100459937C (enExample)
IL (1) IL165310A (enExample)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7963695B2 (en) 2002-07-23 2011-06-21 Rapiscan Systems, Inc. Rotatable boom cargo scanning system
US8275091B2 (en) 2002-07-23 2012-09-25 Rapiscan Systems, Inc. Compact mobile cargo scanning system
US8243876B2 (en) 2003-04-25 2012-08-14 Rapiscan Systems, Inc. X-ray scanners
GB0309379D0 (en) 2003-04-25 2003-06-04 Cxr Ltd X-ray scanning
US8223919B2 (en) 2003-04-25 2012-07-17 Rapiscan Systems, Inc. X-ray tomographic inspection systems for the identification of specific target items
US8804899B2 (en) 2003-04-25 2014-08-12 Rapiscan Systems, Inc. Imaging, data acquisition, data transmission, and data distribution methods and systems for high data rate tomographic X-ray scanners
US8837669B2 (en) 2003-04-25 2014-09-16 Rapiscan Systems, Inc. X-ray scanning system
US8451974B2 (en) 2003-04-25 2013-05-28 Rapiscan Systems, Inc. X-ray tomographic inspection system for the identification of specific target items
US7949101B2 (en) 2005-12-16 2011-05-24 Rapiscan Systems, Inc. X-ray scanners and X-ray sources therefor
GB0525593D0 (en) 2005-12-16 2006-01-25 Cxr Ltd X-ray tomography inspection systems
US9113839B2 (en) 2003-04-25 2015-08-25 Rapiscon Systems, Inc. X-ray inspection system and method
GB0309385D0 (en) * 2003-04-25 2003-06-04 Cxr Ltd X-ray monitoring
US6928141B2 (en) 2003-06-20 2005-08-09 Rapiscan, Inc. Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers
WO2005006986A1 (en) * 2003-07-22 2005-01-27 Koninklijke Philips Electronics N.V. Radiation mask for two dimensional ct detector
US7471764B2 (en) 2005-04-15 2008-12-30 Rapiscan Security Products, Inc. X-ray imaging system having improved weather resistance
US7869559B2 (en) * 2006-10-19 2011-01-11 General Electric Company X-ray detector methods and apparatus
WO2008093275A2 (en) * 2007-02-01 2008-08-07 Koninklijke Philips Electronics N.V. Event sharing restoration for photon counting detectors
US8350218B2 (en) * 2007-03-05 2013-01-08 Koninklijke Philips Electronics N.V. Light detection in a pixelated pet detector
US7620143B2 (en) * 2007-06-16 2009-11-17 General Electric Company Detector array and system
WO2009046139A1 (en) * 2007-10-01 2009-04-09 California Institute Of Technology Tomographic imaging with a stripe-like shaped sensor
JP5150283B2 (ja) 2008-01-30 2013-02-20 浜松ホトニクス株式会社 固体撮像装置
GB0803641D0 (en) 2008-02-28 2008-04-02 Rapiscan Security Products Inc Scanning systems
GB0803644D0 (en) 2008-02-28 2008-04-02 Rapiscan Security Products Inc Scanning systems
GB0809110D0 (en) 2008-05-20 2008-06-25 Rapiscan Security Products Inc Gantry scanner systems
DE102008032480A1 (de) * 2008-07-10 2010-01-14 Siemens Aktiengesellschaft Detektionseinrichtung
US8248601B2 (en) * 2008-09-12 2012-08-21 Siemens Medical Solutions Usa, Inc. Optical mask for detector optimization
US8610079B2 (en) * 2009-12-28 2013-12-17 General Electric Company Robust radiation detector and method of forming the same
US20110211667A1 (en) * 2010-02-26 2011-09-01 Abdelaziz Ikhlef De-populated detector for computed tomography and method of making same
US8204171B2 (en) 2010-10-11 2012-06-19 General Electric Company Multi-faceted tileable detector for volumetric computed tomography imaging
US8548119B2 (en) 2011-01-13 2013-10-01 General Electric Company Multi-slice CT detector with tileable packaging structure
US9218933B2 (en) 2011-06-09 2015-12-22 Rapidscan Systems, Inc. Low-dose radiographic imaging system
US9168008B2 (en) 2011-11-03 2015-10-27 General Electric Company Coarse segmented detector architecture and method of making same
US8917812B2 (en) 2011-12-09 2014-12-23 General Electric Company Variable pitch collimator and method of making same
JP5444444B2 (ja) * 2012-12-03 2014-03-19 浜松ホトニクス株式会社 固体撮像装置
BR112014013226B1 (pt) 2013-01-31 2021-08-24 Rapiscan Systems, Inc Sistema de inspeção de segurança portátil e método de implantação do mesmo
JP6079284B2 (ja) * 2013-02-08 2017-02-15 株式会社島津製作所 放射線検出器および放射線検出器の製造方法
WO2015028042A1 (en) * 2013-08-26 2015-03-05 Teledyne Dalsa B.V. A radiation detector and a method thereof
US9519069B2 (en) * 2013-09-06 2016-12-13 General Electric Company Precision self-aligning CT detector sensors
EP3254140A1 (en) 2015-02-05 2017-12-13 Teledyne Dalsa B.V. A radiation detector and a method thereof
US10473796B2 (en) 2018-02-07 2019-11-12 FMI Medical Systems Co., Ltd. Scintillating array with alignment features
EP3762744B1 (en) * 2018-03-05 2023-09-27 Koninklijke Philips N.V. Versatile pet detector
US10531848B2 (en) 2018-05-16 2020-01-14 FMI Medical Systems Co., Ltd. Packaging for CT detector
EP3709360A1 (en) * 2019-03-13 2020-09-16 Koninklijke Philips N.V. Photodetector for imaging applications
CN110504278A (zh) * 2019-08-28 2019-11-26 无锡中微晶园电子有限公司 一种防串流光敏二极管芯片及其制造方法
US12181422B2 (en) 2019-09-16 2024-12-31 Rapiscan Holdings, Inc. Probabilistic image analysis
CN112230709B (zh) * 2020-10-16 2023-12-12 南京大学 一种可实现高精度光输入的光电计算装置及校准方法
CN117814828B (zh) * 2024-03-04 2024-06-21 赛诺威盛科技(北京)股份有限公司 探测器串扰确定方法、装置和设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4982096A (en) * 1988-01-06 1991-01-01 Hitachi Medical Corporation Multi-element radiation detector
US5430298A (en) * 1994-06-21 1995-07-04 General Electric Company CT array with improved photosensor linearity and reduced crosstalk
US5682411A (en) * 1993-06-16 1997-10-28 St. John Innovation Centre Imaging system
US6553092B1 (en) * 2000-03-07 2003-04-22 Koninklijke Philips Electronics, N.V. Multi-layer x-ray detector for diagnostic imaging

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2720159B2 (ja) * 1988-01-27 1998-02-25 株式会社日立メディコ 多素子放射線検出器及びその製造方法
FR2628562A1 (fr) * 1988-03-11 1989-09-15 Thomson Csf Dispositif d'imagerie a structure matricielle
JP3339285B2 (ja) * 1996-02-02 2002-10-28 松下電器産業株式会社 Ｘ線撮像装置
US6534773B1 (en) * 1998-11-09 2003-03-18 Photon Imaging, Inc. Radiation imaging detector and method of fabrication
JP2002168956A (ja) * 2000-08-31 2002-06-14 Ge Medical Systems Global Technology Co Llc マルチ検出器およびｘ線ｃｔ装置
US6480562B2 (en) * 2000-12-05 2002-11-12 Ge Medical Systems Global Technology Company, Llc Apparatus and method of converting electromagnetic energy directly to electrons for computed tomography imaging
US6473486B2 (en) * 2000-12-05 2002-10-29 Ge Medical Systems Global Technology Co., Llc System and method of computed tomography imaging using a focused scintillator and method of manufacturing
US6498828B2 (en) * 2000-12-15 2002-12-24 General Electric Company System and method of computer tomography imaging using a cerium doped lutetium orthosilicate scintillator
US6480563B2 (en) * 2000-12-19 2002-11-12 Ge Medical Systems Global Technology Co., Llc System and method of aligning scintillator crystalline structures for computed tomography imaging
JP4482253B2 (ja) * 2001-09-12 2010-06-16 浜松ホトニクス株式会社 ホトダイオードアレイ、固体撮像装置、及び、放射線検出器
JP2003086827A (ja) * 2001-09-12 2003-03-20 Hamamatsu Photonics Kk ホトダイオードアレイ、固体撮像装置、及び、放射線検出器
DE10151568A1 (de) * 2001-10-23 2003-05-08 Siemens Ag Verfahren zum Aufbringen eines Streustrahlenrasters auf einen Röntgendetektor
US6654443B1 (en) * 2002-02-25 2003-11-25 Ge Medical Systems Global Technology Co., Llc Thermal sensing detector cell for a computed tomography system and method of manufacturing same
JP2003014850A (ja) * 2002-06-13 2003-01-15 Matsushita Electric Ind Co Ltd シンチレータユニットおよびシンチレータユニットの製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4982096A (en) * 1988-01-06 1991-01-01 Hitachi Medical Corporation Multi-element radiation detector
US5682411A (en) * 1993-06-16 1997-10-28 St. John Innovation Centre Imaging system
US5430298A (en) * 1994-06-21 1995-07-04 General Electric Company CT array with improved photosensor linearity and reduced crosstalk
US6553092B1 (en) * 2000-03-07 2003-04-22 Koninklijke Philips Electronics, N.V. Multi-layer x-ray detector for diagnostic imaging

Also Published As

Publication number Publication date
JP4683906B2 (ja) 2011-05-18
IL165310A (en) 2009-06-15
CN1644166A (zh) 2005-07-27
US20050111612A1 (en) 2005-05-26
IL165310A0 (en) 2006-01-15
JP2005156566A (ja) 2005-06-16
US7233640B2 (en) 2007-06-19

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