HK1019836A1 - Gas ionization array detectors for radiography - Google Patents

Gas ionization array detectors for radiography

Info

Publication number
HK1019836A1
HK1019836A1 HK98113543A HK98113543A HK1019836A1 HK 1019836 A1 HK1019836 A1 HK 1019836A1 HK 98113543 A HK98113543 A HK 98113543A HK 98113543 A HK98113543 A HK 98113543A HK 1019836 A1 HK1019836 A1 HK 1019836A1
Authority
HK
Hong Kong
Prior art keywords
radiography
gas ionization
array detectors
ionization array
detectors
Prior art date
Application number
HK98113543A
Other languages
English (en)
Inventor
Jigang An
Haifeng Wu
Original Assignee
Univ Tsinghua
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Univ Tsinghua filed Critical Univ Tsinghua
Publication of HK1019836A1 publication Critical patent/HK1019836A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
    • H01J47/02—Ionisation chambers
HK98113543A 1993-03-18 1998-12-16 Gas ionization array detectors for radiography HK1019836A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN93102728A CN1027021C (zh) 1993-03-18 1993-03-18 气体电离型高能x.γ辐射成象阵列探测装置
PCT/CN1994/000008 WO1994022163A1 (en) 1993-03-18 1994-01-31 Gas ionization array detectors for radiography

Publications (1)

Publication Number Publication Date
HK1019836A1 true HK1019836A1 (en) 2000-02-25

Family

ID=4984246

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98113543A HK1019836A1 (en) 1993-03-18 1998-12-16 Gas ionization array detectors for radiography

Country Status (8)

Country Link
US (1) US5796110A (de)
EP (1) EP0732730B1 (de)
CN (1) CN1027021C (de)
AU (1) AU6105394A (de)
DE (1) DE69414879T2 (de)
HK (1) HK1019836A1 (de)
RU (1) RU2147138C1 (de)
WO (1) WO1994022163A1 (de)

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CN1112583C (zh) * 1999-07-23 2003-06-25 清华大学 一种大型客体数字辐射成象检测装置
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US6433335B1 (en) * 2000-10-03 2002-08-13 The United States Of America As Represented By The Secretary Of The Army Geiger-Mueller triode for sensing the direction of incident ionizing gamma radiation
GB0025956D0 (en) * 2000-10-24 2000-12-13 Powell David J Improved method of measuring vacuum pressure in sealed vials
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US8576982B2 (en) 2008-02-01 2013-11-05 Rapiscan Systems, Inc. Personnel screening system
US8995619B2 (en) 2010-03-14 2015-03-31 Rapiscan Systems, Inc. Personnel screening system
US8638904B2 (en) 2010-03-14 2014-01-28 Rapiscan Systems, Inc. Personnel screening system
US7796733B2 (en) * 2007-02-01 2010-09-14 Rapiscan Systems, Inc. Personnel security screening system with enhanced privacy
CN101779119B (zh) 2007-06-21 2012-08-29 瑞皮斯坎系统股份有限公司 用于提高受指引的人员筛查的系统和方法
CA2742127C (en) 2007-11-01 2017-01-24 Rapiscan Security Products, Inc. Multiple screen detection systems
WO2009082762A1 (en) 2007-12-25 2009-07-02 Rapiscan Security Products, Inc. Improved security system for screening people
MX2010013639A (es) 2008-06-11 2011-02-22 Schlumberger Technology Bv Sistema para la deteccion de defectos de los pozos.
CN101526623B (zh) * 2009-03-31 2012-01-18 重庆大学 高能x射线工业ct电离型探测器
CN102540234A (zh) * 2009-06-30 2012-07-04 同方威视技术股份有限公司 用于辐射成像的探测器设备
GB2488930B (en) * 2009-11-18 2014-04-30 Rapiscan Systems Inc X-ray based system for inspecting a person's shoes for aviation security threats
EP2548207B1 (de) 2010-03-14 2020-02-12 Rapiscan Systems, Inc. Strahlformungsvorrichtung
CN101900826B (zh) * 2010-06-13 2012-10-03 中国科学院近代物理研究所 重离子束流横向剂量分布测量探测器及其二维成像方法
US8888879B1 (en) 2010-10-20 2014-11-18 Us Synthetic Corporation Detection of one or more interstitial constituents in a polycrystalline diamond element by neutron radiographic imaging
CN102768219B (zh) * 2012-07-26 2014-07-30 清华大学 组合式射线无损检测方法及系统
US9116249B1 (en) * 2012-07-26 2015-08-25 Sandia Corporation Multiple-mode radiation detector
MX361149B (es) 2014-03-07 2018-11-28 Rapiscan Systems Inc Detectores de banda ultra ancha.
US11280898B2 (en) 2014-03-07 2022-03-22 Rapiscan Systems, Inc. Radar-based baggage and parcel inspection systems
CN104090292B (zh) * 2014-06-13 2018-02-06 中国科学院近代物理研究所 用于较高能量重离子束流诊断的位置灵敏探测器
WO2016061553A1 (en) * 2014-10-17 2016-04-21 Silverside Detectors Inc. Fissile neutron detector
CN107251088A (zh) 2014-11-25 2017-10-13 拉皮斯坎系统股份有限公司 智能安全管理系统
CA2992992A1 (en) * 2015-07-22 2017-01-26 Viewray Technologies, Inc. Ion chamber for radiation measurement
CN105738940B (zh) * 2016-04-26 2019-02-05 西北核技术研究所 一种用于束流剖面均匀性在线测量的探测器
CN105974460B (zh) * 2016-05-11 2018-12-07 天津大学 可重构型x射线能谱探测方法及探测器像素单元结构
US10720300B2 (en) 2016-09-30 2020-07-21 American Science And Engineering, Inc. X-ray source for 2D scanning beam imaging
US10317541B2 (en) 2017-04-14 2019-06-11 Silverside Detectors, Inc. Advanced fissile neutron detection system and method
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CN110658545A (zh) * 2019-08-23 2020-01-07 中国船舶重工集团公司第七一九研究所 环境辐射探测器
US11841104B2 (en) 2020-04-21 2023-12-12 Shanghai United Imaging Healthcare Co., Ltd. System and method for equalizing pressure in ionization chamber of radiation device
CN112630288B (zh) * 2020-11-17 2021-10-12 燕山大学 一种基于放电的二次电子发射系数测量装置及方法

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JPS5842940B2 (ja) * 1979-01-24 1983-09-22 株式会社日立メデイコ 電離箱型ｘ線検出器及びその製造方法
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FR2530381A1 (fr) * 1982-07-13 1984-01-20 Commissariat Energie Atomique Chambre d'ionisation pour la mesure de rayonnements gamma de haute energie
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JPS6178042A (ja) * 1984-09-25 1986-04-21 Hitachi Ltd 電離箱型ｘ線検出器の製造方法
JPS6224549A (ja) * 1985-07-24 1987-02-02 Yokogawa Medical Syst Ltd 電離箱型ｘ線検出器
FR2591036A1 (fr) * 1985-12-04 1987-06-05 Balteau Dispositif de detection et de localisation de particules neutres, et applications
US5025376A (en) * 1988-09-30 1991-06-18 University Of Florida Radiation teletherapy imaging system having plural ionization chambers

Also Published As

Publication number Publication date
WO1994022163A1 (en) 1994-09-29
CN1076546A (zh) 1993-09-22
RU2147138C1 (ru) 2000-03-27
AU6105394A (en) 1994-10-11
DE69414879D1 (de) 1999-01-07
DE69414879T2 (de) 1999-04-22
EP0732730A1 (de) 1996-09-18
EP0732730B1 (de) 1998-11-25
EP0732730A4 (de) 1996-06-25
US5796110A (en) 1998-08-18
CN1027021C (zh) 1994-12-14

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20090131