DE10317612B4 - Röntgenstrahlquelle mit einer Katode mit gekrümmter Emissionsoberfläche, Bilddarstellungssystem und Abbildungsverfahren - Google Patents

Röntgenstrahlquelle mit einer Katode mit gekrümmter Emissionsoberfläche, Bilddarstellungssystem und Abbildungsverfahren Download PDF

Info

Publication number
DE10317612B4
DE10317612B4 DE10317612A DE10317612A DE10317612B4 DE 10317612 B4 DE10317612 B4 DE 10317612B4 DE 10317612 A DE10317612 A DE 10317612A DE 10317612 A DE10317612 A DE 10317612A DE 10317612 B4 DE10317612 B4 DE 10317612B4
Authority
DE
Germany
Prior art keywords
anode
ray
electrons
emission
ray source
Prior art date
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
Application number
DE10317612A
Other languages
German (de)
English (en)
Other versions
DE10317612A1 (de
Inventor
Scott J. Price
Bruce M. Dunham
Colin R. Wilson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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 GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of DE10317612A1 publication Critical patent/DE10317612A1/de
Application granted granted Critical
Publication of DE10317612B4 publication Critical patent/DE10317612B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/24—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06—Cathodes
    • H01J35/065—Field emission, photo emission or secondary emission cathodes

Landscapes

  • X-Ray Techniques (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE10317612A 2002-04-17 2003-04-16 Röntgenstrahlquelle mit einer Katode mit gekrümmter Emissionsoberfläche, Bilddarstellungssystem und Abbildungsverfahren Expired - Fee Related DE10317612B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/124864 2002-04-17
US10/124,864 US6760407B2 (en) 2002-04-17 2002-04-17 X-ray source and method having cathode with curved emission surface

Publications (2)

Publication Number Publication Date
DE10317612A1 DE10317612A1 (de) 2003-11-27
DE10317612B4 true DE10317612B4 (de) 2012-10-11

Family

ID=29214667

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10317612A Expired - Fee Related DE10317612B4 (de) 2002-04-17 2003-04-16 Röntgenstrahlquelle mit einer Katode mit gekrümmter Emissionsoberfläche, Bilddarstellungssystem und Abbildungsverfahren

Country Status (3)

Country Link
US (2) US6760407B2 (https=)
JP (1) JP4303513B2 (https=)
DE (1) DE10317612B4 (https=)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7227924B2 (en) * 2000-10-06 2007-06-05 The University Of North Carolina At Chapel Hill Computed tomography scanning system and method using a field emission x-ray source
US20040213378A1 (en) * 2003-04-24 2004-10-28 The University Of North Carolina At Chapel Hill Computed tomography system for imaging of human and small animal
US6876724B2 (en) * 2000-10-06 2005-04-05 The University Of North Carolina - Chapel Hill Large-area individually addressable multi-beam x-ray system and method of forming same
US6980627B2 (en) * 2000-10-06 2005-12-27 Xintek, Inc. Devices and methods for producing multiple x-ray beams from multiple locations
US7826595B2 (en) * 2000-10-06 2010-11-02 The University Of North Carolina Micro-focus field emission x-ray sources and related methods
US7085351B2 (en) * 2000-10-06 2006-08-01 University Of North Carolina At Chapel Hill Method and apparatus for controlling electron beam current
US7082182B2 (en) * 2000-10-06 2006-07-25 The University Of North Carolina At Chapel Hill Computed tomography system for imaging of human and small animal
US6888922B2 (en) * 2001-10-18 2005-05-03 Ge Medical Systems Global Technology Co., Llc Filament circuit resistance adjusting apparatus technical field
US6760407B2 (en) * 2002-04-17 2004-07-06 Ge Medical Global Technology Company, Llc X-ray source and method having cathode with curved emission surface
US8275091B2 (en) 2002-07-23 2012-09-25 Rapiscan Systems, Inc. Compact mobile cargo scanning system
US7963695B2 (en) 2002-07-23 2011-06-21 Rapiscan Systems, Inc. Rotatable boom cargo scanning system
US7447298B2 (en) * 2003-04-01 2008-11-04 Cabot Microelectronics Corporation Decontamination and sterilization system using large area x-ray source
GB0525593D0 (en) 2005-12-16 2006-01-25 Cxr Ltd X-ray tomography inspection systems
GB0309383D0 (en) 2003-04-25 2003-06-04 Cxr Ltd X-ray tube electron sources
US9113839B2 (en) 2003-04-25 2015-08-25 Rapiscon Systems, Inc. X-ray inspection system and method
GB0309379D0 (en) 2003-04-25 2003-06-04 Cxr Ltd X-ray scanning
US9208988B2 (en) 2005-10-25 2015-12-08 Rapiscan Systems, Inc. Graphite backscattered electron shield for use in an X-ray tube
US8223919B2 (en) 2003-04-25 2012-07-17 Rapiscan Systems, Inc. X-ray tomographic inspection systems for the identification of specific target items
GB0812864D0 (en) 2008-07-15 2008-08-20 Cxr Ltd Coolign anode
US10483077B2 (en) 2003-04-25 2019-11-19 Rapiscan Systems, Inc. X-ray sources having reduced electron scattering
US8451974B2 (en) 2003-04-25 2013-05-28 Rapiscan Systems, Inc. X-ray tomographic inspection system for the identification of specific target items
US8837669B2 (en) 2003-04-25 2014-09-16 Rapiscan Systems, Inc. X-ray scanning system
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
US8243876B2 (en) 2003-04-25 2012-08-14 Rapiscan Systems, Inc. X-ray scanners
US7949101B2 (en) 2005-12-16 2011-05-24 Rapiscan Systems, Inc. X-ray scanners and X-ray sources therefor
WO2005117058A1 (de) * 2004-05-19 2005-12-08 Comet Holding Ag Röntgenröhre für hohe dosisleistungen
US7120222B2 (en) * 2003-06-05 2006-10-10 General Electric Company CT imaging system with multiple peak x-ray source
US6928141B2 (en) 2003-06-20 2005-08-09 Rapiscan, Inc. Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers
US7140771B2 (en) * 2003-09-22 2006-11-28 Leek Paul H X-ray producing device with reduced shielding
US7330529B2 (en) * 2004-04-06 2008-02-12 General Electric Company Stationary tomographic mammography system
US7471764B2 (en) 2005-04-15 2008-12-30 Rapiscan Security Products, Inc. X-ray imaging system having improved weather resistance
US8155262B2 (en) * 2005-04-25 2012-04-10 The University Of North Carolina At Chapel Hill Methods, systems, and computer program products for multiplexing computed tomography
DE112006000713T5 (de) * 2005-04-25 2008-05-29 The University Of North Carolina At Chapel Hill Röntgenstrahl-Bildgebungssysteme und -verfahren unter Verwendung einer zeitlichen digitalen Signalverarbeitung zum Verringern von Rauschen und zum gleichzeitigen Erzeugen mehrfacher Bilder
US7576481B2 (en) * 2005-06-30 2009-08-18 General Electric Co. High voltage stable cathode for x-ray tube
US7123689B1 (en) * 2005-06-30 2006-10-17 General Electric Company Field emitter X-ray source and system and method thereof
DE102005049601A1 (de) * 2005-09-28 2007-03-29 Siemens Ag Vorrichtung zur Erzeugung von Röntgenstrahlung mit einer kalten Elektronenquelle
US9046465B2 (en) 2011-02-24 2015-06-02 Rapiscan Systems, Inc. Optimization of the source firing pattern for X-ray scanning systems
US20070133747A1 (en) * 2005-12-08 2007-06-14 General Electric Company System and method for imaging using distributed X-ray sources
WO2007088497A1 (en) * 2006-02-02 2007-08-09 Philips Intellectual Property & Standards Gmbh Imaging apparatus using distributed x-ray sources and method thereof
JP2009532161A (ja) * 2006-04-07 2009-09-10 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 切り換え焦点及びフィルタを備えたデュアルスペクトルｘ線管
US20070269018A1 (en) * 2006-05-03 2007-11-22 Geoffrey Harding Systems and methods for generating a diffraction profile
US8189893B2 (en) * 2006-05-19 2012-05-29 The University Of North Carolina At Chapel Hill Methods, systems, and computer program products for binary multiplexing x-ray radiography
JP4914655B2 (ja) * 2006-06-26 2012-04-11 オリンパス株式会社 顕微鏡構成ユニット、該顕微鏡構成ユニットよりなる顕微鏡システム、及び顕微鏡システムを構築する顕微鏡構成ユニットの相対的接続関係取得方法
CN101842052B (zh) * 2007-07-19 2013-11-20 北卡罗来纳大学查珀尔希尔分校 固定x射线数字化乳房断层合成系统和相关方法
US7809114B2 (en) * 2008-01-21 2010-10-05 General Electric Company Field emitter based electron source for multiple spot X-ray
US7826594B2 (en) * 2008-01-21 2010-11-02 General Electric Company Virtual matrix control scheme for multiple spot X-ray source
GB0803644D0 (en) 2008-02-28 2008-04-02 Rapiscan Security Products Inc Scanning systems
GB0803641D0 (en) 2008-02-28 2008-04-02 Rapiscan Security Products Inc Scanning systems
CN102088909B (zh) * 2008-05-09 2014-11-26 皇家飞利浦电子股份有限公司 具有有效阳极散热的x射线系统
GB0809110D0 (en) 2008-05-20 2008-06-25 Rapiscan Security Products Inc Gantry scanner systems
JP4693884B2 (ja) * 2008-09-18 2011-06-01 キヤノン株式会社 マルチｘ線撮影装置及びその制御方法
US8600003B2 (en) * 2009-01-16 2013-12-03 The University Of North Carolina At Chapel Hill Compact microbeam radiation therapy systems and methods for cancer treatment and research
GB0901338D0 (en) 2009-01-28 2009-03-11 Cxr Ltd X-Ray tube electron sources
JP5801286B2 (ja) * 2009-05-12 2015-10-28 コーニンクレッカ フィリップス エヌ ヴェ Ｘ線ソース及びｘ線生成方法
US8130910B2 (en) * 2009-08-14 2012-03-06 Varian Medical Systems, Inc. Liquid-cooled aperture body in an x-ray tube
EP2478547A1 (en) * 2009-09-15 2012-07-25 Koninklijke Philips Electronics N.V. Distributed x-ray source and x-ray imaging system comprising the same
US8401151B2 (en) * 2009-12-16 2013-03-19 General Electric Company X-ray tube for microsecond X-ray intensity switching
US9271689B2 (en) * 2010-01-20 2016-03-01 General Electric Company Apparatus for wide coverage computed tomography and method of constructing same
US8358739B2 (en) 2010-09-03 2013-01-22 The University Of North Carolina At Chapel Hill Systems and methods for temporal multiplexing X-ray imaging
US9218933B2 (en) 2011-06-09 2015-12-22 Rapidscan Systems, Inc. Low-dose radiographic imaging system
JP2015515091A (ja) * 2012-03-16 2015-05-21 ナノックス イメージング ピーエルシー 電子放出構造を有する装置
CN104205285B (zh) * 2012-03-19 2017-05-31 皇家飞利浦有限公司 用于单视场与立体视场的观察之间的渐进式转换的渐进式x射线焦斑移动
WO2013187970A2 (en) * 2012-05-14 2013-12-19 The General Hospital Corporation Method for coded-source phase contrast x-ray imaging
CN104584179B (zh) 2012-08-16 2017-10-13 纳欧克斯影像有限公司 图像捕捉装置
US9484179B2 (en) 2012-12-18 2016-11-01 General Electric Company X-ray tube with adjustable intensity profile
US9224572B2 (en) 2012-12-18 2015-12-29 General Electric Company X-ray tube with adjustable electron beam
MX350070B (es) 2013-01-31 2017-08-25 Rapiscan Systems Inc Sistema de inspeccion de seguridad portatil.
US9048064B2 (en) * 2013-03-05 2015-06-02 Varian Medical Systems, Inc. Cathode assembly for a long throw length X-ray tube
KR20150001181A (ko) * 2013-06-26 2015-01-06 삼성전자주식회사 엑스선 발생기 및 이를 포함한 엑스선 촬영 장치
KR102259859B1 (ko) 2013-11-27 2021-06-03 나녹스 이미징 피엘씨 이온 내충격성을 가진 전자 방출 구조물
US9443691B2 (en) 2013-12-30 2016-09-13 General Electric Company Electron emission surface for X-ray generation
GB2523792A (en) * 2014-03-05 2015-09-09 Adaptix Ltd X-ray collimator
US11051771B2 (en) * 2014-06-17 2021-07-06 Xintek, Inc. Stationary intraoral tomosynthesis imaging systems, methods, and computer readable media for three dimensional dental imaging
US9782136B2 (en) * 2014-06-17 2017-10-10 The University Of North Carolina At Chapel Hill Intraoral tomosynthesis systems, methods, and computer readable media for dental imaging
US9865423B2 (en) 2014-07-30 2018-01-09 General Electric Company X-ray tube cathode with shaped emitter
CN105374654B (zh) * 2014-08-25 2018-11-06 同方威视技术股份有限公司 电子源、x射线源、使用了该x射线源的设备
GB2531326B (en) * 2014-10-16 2020-08-05 Adaptix Ltd An X-Ray emitter panel and a method of designing such an X-Ray emitter panel
US10980494B2 (en) 2014-10-20 2021-04-20 The University Of North Carolina At Chapel Hill Systems and related methods for stationary digital chest tomosynthesis (s-DCT) imaging
US10556129B2 (en) * 2015-10-02 2020-02-11 Varian Medical Systems, Inc. Systems and methods for treating a skin condition using radiation
US10835199B2 (en) 2016-02-01 2020-11-17 The University Of North Carolina At Chapel Hill Optical geometry calibration devices, systems, and related methods for three dimensional x-ray imaging
US11282668B2 (en) * 2016-03-31 2022-03-22 Nano-X Imaging Ltd. X-ray tube and a controller thereof
US10991539B2 (en) * 2016-03-31 2021-04-27 Nano-X Imaging Ltd. X-ray tube and a conditioning method thereof
EP3261110A1 (en) * 2016-06-21 2017-12-27 Excillum AB X-ray source with ionisation tool
WO2018035171A1 (en) * 2016-08-16 2018-02-22 Massachusetts Institute Of Technology Nanoscale x-ray tomosynthesis for rapid analysis of integrated circuit (ic) dies
US11145431B2 (en) * 2016-08-16 2021-10-12 Massachusetts Institute Of Technology System and method for nanoscale X-ray imaging of biological specimen
EP3520120A4 (en) * 2016-09-30 2020-07-08 American Science & Engineering, Inc. X-RAY RADIATION SOURCE FOR TWO-DIMENSIONAL SCANNING RADIATION
WO2019019040A1 (en) * 2017-07-26 2019-01-31 Shenzhen Xpectvision Technology Co., Ltd. SYSTEM HAVING SPATIALLY EXPANDED X-RAY SOURCE FOR X-RAY IMAGING
ES3023841T3 (en) * 2018-05-25 2025-06-03 Micro X Ltd A device and method for applying beamforming signal processing to rf modulated x-rays
EP3870058A4 (en) 2018-10-26 2021-12-15 Surround Medical Systems, Inc. DEVICE, SYSTEM AND METHOD FOR INTRAORAL TOMOSYNTHESIS X-RAY IMAGING WITH INTERCHANGEABLE COLLIMATOR
US11437218B2 (en) 2019-11-14 2022-09-06 Massachusetts Institute Of Technology Apparatus and method for nanoscale X-ray imaging
EP3933881A1 (en) 2020-06-30 2022-01-05 VEC Imaging GmbH & Co. KG X-ray source with multiple grids
US12274577B2 (en) 2022-04-11 2025-04-15 GE Precision Healthcare LLC Systems and methods for computed tomography
US12230468B2 (en) 2022-06-30 2025-02-18 Varex Imaging Corporation X-ray system with field emitters and arc protection
US20250201506A1 (en) * 2023-12-18 2025-06-19 Varex Imaging Corporation Field emitter apparatuses and x-ray systems
CN117612912A (zh) * 2024-01-22 2024-02-27 电子科技大学 一种用于微焦点x射线管的两次聚焦冷阴极电子枪

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012656A (en) * 1974-12-09 1977-03-15 Norman Ralph L X-ray tube
US4289969A (en) * 1978-07-10 1981-09-15 Butler Greenwich Inc. Radiation imaging apparatus
US6297592B1 (en) * 2000-08-04 2001-10-02 Lucent Technologies Inc. Microwave vacuum tube device employing grid-modulated cold cathode source having nanotube emitters

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5750968A (en) 1995-06-30 1998-05-12 Lambda Technologies, Inc. System and apparatus for reducing arcing and localized heating during microwave processing
US6333968B1 (en) * 2000-05-05 2001-12-25 The United States Of America As Represented By The Secretary Of The Navy Transmission cathode for X-ray production
US6553096B1 (en) * 2000-10-06 2003-04-22 The University Of North Carolina Chapel Hill X-ray generating mechanism using electron field emission cathode
US6760407B2 (en) * 2002-04-17 2004-07-06 Ge Medical Global Technology Company, Llc X-ray source and method having cathode with curved emission surface

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012656A (en) * 1974-12-09 1977-03-15 Norman Ralph L X-ray tube
US4289969A (en) * 1978-07-10 1981-09-15 Butler Greenwich Inc. Radiation imaging apparatus
US6297592B1 (en) * 2000-08-04 2001-10-02 Lucent Technologies Inc. Microwave vacuum tube device employing grid-modulated cold cathode source having nanotube emitters

Also Published As

Publication number Publication date
US20040146143A1 (en) 2004-07-29
JP2003331762A (ja) 2003-11-21
DE10317612A1 (de) 2003-11-27
US6760407B2 (en) 2004-07-06
US6912268B2 (en) 2005-06-28
JP4303513B2 (ja) 2009-07-29
US20030198318A1 (en) 2003-10-23

Similar Documents

Publication Publication Date Title
DE10317612B4 (de) Röntgenstrahlquelle mit einer Katode mit gekrümmter Emissionsoberfläche, Bilddarstellungssystem und Abbildungsverfahren
US7826595B2 (en) Micro-focus field emission x-ray sources and related methods
US6385292B1 (en) Solid-state CT system and method
DE102009003673B4 (de) Elektronenquelle auf der Basis von Feldemittern mit minimierten Strahl-Emittanzwachstum
DE10164315A1 (de) Radiographie Einrichtung mit Flachpanel-Röntgenquelle
US7359484B2 (en) Devices and methods for producing multiple x-ray beams from multiple locations
US8422637B2 (en) Multi X-ray generating apparatus and X-ray imaging apparatus
DE102010060484B4 (de) System und Verfahren zum Fokussieren und Regeln/Steuern eines Strahls in einer indirekt geheizten Kathode
DE102017000994B4 (de) Computertomograph
JP2006516206A (ja) 焦点をスイッチングするｘ線管の高速変調方法及び装置
DE102005004966A1 (de) Konfiguration von Emitteranordnungen für ein stationäres CT-System
JP2007504636A (ja) 複数位置から複数のｘ線ビームを生成するための装置及び方法
DE4015105C3 (de) Röntgen-Computer-Tomographie-System
DE102009003863A1 (de) Schema zum Steuern einer virtuellen Matrix für Mehrfachpunkt-Röntgenquellen
DE10334782A1 (de) Elektronenquelle und Kabel für Röntgenröhren
EP4125110B1 (de) Röntgenröhre für eine stereoskopische bildgebung
EP3748667B1 (de) Silizium-feldeffekt-emitter
DE102020206939A1 (de) Röntgenstrahler
DE102021211885B4 (de) Computerimplementiertes Verfahren zum Betrieb einer Röntgeneinrichtung, Röntgeneinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
DE102020206938B4 (de) Beeinflussung eines Brennflecks
DE102023212785B3 (de) Veränderung der Ausrichtung des Röntgenstrahlers zum Variieren der Röntgenstrahlung
DE102006006840A1 (de) Röntgen-Computertomograph mit Lichtstrahl-gesteuerter Röntgenquelle
US7317785B1 (en) System and method for X-ray spot control
DE10241169A1 (de) Verfahren und Vorrichtung zur Erzeugung von Röntgenstrahlen
JPH10211195A (ja) Ｘ線ｃｔ装置

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
R016 Response to examination communication
R018 Grant decision by examination section/examining division
R020 Patent grant now final

Effective date: 20130112

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee