JP2005056843A5 - - Google Patents

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Publication number
JP2005056843A5
JP2005056843A5 JP2004226290A JP2004226290A JP2005056843A5 JP 2005056843 A5 JP2005056843 A5 JP 2005056843A5 JP 2004226290 A JP2004226290 A JP 2004226290A JP 2004226290 A JP2004226290 A JP 2004226290A JP 2005056843 A5 JP2005056843 A5 JP 2005056843A5
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JP
Japan
Prior art keywords
cathode
anode
pair
emitter
electron beam
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.)
Granted
Application number
JP2004226290A
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English (en)
Japanese (ja)
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JP4831455B2 (ja
JP2005056843A (ja
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Publication date
Priority claimed from US10/604,605 external-priority patent/US6968039B2/en
Application filed filed Critical
Publication of JP2005056843A publication Critical patent/JP2005056843A/ja
Publication of JP2005056843A5 publication Critical patent/JP2005056843A5/ja
Application granted granted Critical
Publication of JP4831455B2 publication Critical patent/JP4831455B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2004226290A 2003-08-04 2004-08-03 イメージング管のための焦点位置調整システム Expired - Fee Related JP4831455B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/604,605 2003-08-04
US10/604,605 US6968039B2 (en) 2003-08-04 2003-08-04 Focal spot position adjustment system for an imaging tube

Publications (3)

Publication Number Publication Date
JP2005056843A JP2005056843A (ja) 2005-03-03
JP2005056843A5 true JP2005056843A5 (https=) 2009-11-12
JP4831455B2 JP4831455B2 (ja) 2011-12-07

Family

ID=34115653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004226290A Expired - Fee Related JP4831455B2 (ja) 2003-08-04 2004-08-03 イメージング管のための焦点位置調整システム

Country Status (3)

Country Link
US (1) US6968039B2 (https=)
JP (1) JP4831455B2 (https=)
DE (1) DE102004037367A1 (https=)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
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US7257194B2 (en) * 2004-02-09 2007-08-14 Varian Medical Systems Technologies, Inc. Cathode head with focal spot control
FR2889352A1 (fr) * 2005-07-29 2007-02-02 Commissariat Energie Atomique Dispositif et procede pour asservir en position le lieu d'emission d'une source de rayons x
US7657002B2 (en) * 2006-01-31 2010-02-02 Varian Medical Systems, Inc. Cathode head having filament protection features
WO2007129249A2 (en) * 2006-05-08 2007-11-15 Philips Intellectual Property & Standards Gmbh Rotating anode x-ray tube with a saddle shaped anode
US7447297B2 (en) * 2006-08-04 2008-11-04 General Electric Company X-ray source focal spot deflection methods and apparatus
US20080095317A1 (en) * 2006-10-17 2008-04-24 General Electric Company Method and apparatus for focusing and deflecting the electron beam of an x-ray device
CN101536134B (zh) * 2006-11-10 2014-03-12 皇家飞利浦电子股份有限公司 具有多电子束操作单元的多焦斑x射线管
CN101573776A (zh) * 2006-12-04 2009-11-04 皇家飞利浦电子股份有限公司 具有多个电子源和公共电子偏转单元的x射线管
US7852979B2 (en) * 2007-04-05 2010-12-14 General Electric Company Dual-focus X-ray tube for resolution enhancement and energy sensitive CT
EP1983546A1 (en) * 2007-04-20 2008-10-22 PANalytical B.V. X-ray cathode and tube
US7496180B1 (en) 2007-08-29 2009-02-24 General Electric Company Focal spot temperature reduction using three-point deflection
JP5426089B2 (ja) * 2007-12-25 2014-02-26 株式会社東芝 Ｘ線管及びｘ線ｃｔ装置
DE102009023183B4 (de) * 2009-05-29 2015-05-28 Siemens Aktiengesellschaft Strahlungsquelle für eine strahlungsbasierte Bildaufnahmeeinrichtung, strahlungsbasierte Bildaufnahmeeinrichtung und Verfahren zur Ermittlung eines asymmetrischen Leistungseintragsprofils eines Brennflecks einer Strahlungsquelle
JP5535532B2 (ja) * 2009-06-26 2014-07-02 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線ｃｔ装置
FR2947691B1 (fr) * 2009-07-06 2016-12-16 Gen Electric Procede pour le controle de l'emission d'un faisceau d'electrons dans une cathode, cathode, tube et systeme d'imagerie correspondants
JP5675808B2 (ja) * 2009-08-13 2015-02-25 コーニンクレッカ フィリップス エヌ ヴェ 独立したｘ及びｚ方向の動的フォーカルスポット偏向を持つＸ線管
DE102009037688B4 (de) * 2009-08-17 2011-06-16 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur Steuerung eines Elektronenstrahls für die Erzeugung von Röntgenstrahlung sowie Röntgenröhre
JP5622371B2 (ja) * 2009-08-28 2014-11-12 株式会社東芝 Ｘ線管及びそれを用いたｘ線ｃｔ装置
US8385506B2 (en) * 2010-02-02 2013-02-26 General Electric Company X-ray cathode and method of manufacture thereof
US8938050B2 (en) 2010-04-14 2015-01-20 General Electric Company Low bias mA modulation for X-ray tubes
US9524845B2 (en) 2012-01-18 2016-12-20 Varian Medical Systems, Inc. X-ray tube cathode with magnetic electron beam steering
EP2869327B1 (en) * 2012-07-02 2023-10-25 Canon Electron Tubes & Devices Co., Ltd. X-ray tube
US8923484B2 (en) * 2012-08-31 2014-12-30 General Electric Company Motion correction system and method for an x-ray tube
JP5716069B2 (ja) * 2013-09-30 2015-05-13 株式会社東芝 Ｘ線ｃｔ装置
US9448327B2 (en) * 2013-12-16 2016-09-20 Schlumberger Technology Corporation X-ray generator having multiple extractors with independently selectable potentials
JP6816921B2 (ja) 2016-10-03 2021-01-20 キヤノン電子管デバイス株式会社 Ｘ線管
CN106859687B (zh) * 2017-04-26 2023-04-07 重庆明峰医疗设备有限公司 一种可精确调整位置的球管
CN110664420B (zh) * 2019-10-11 2023-04-07 上海联影医疗科技股份有限公司 焦点校正方法、装置、计算机设备和计算机可读存储介质
US12046441B2 (en) * 2021-12-21 2024-07-23 GE Precision Healthcare LLC X-ray tube cathode focusing element
USD1104265S1 (en) 2021-12-21 2025-12-02 GE Precision Healthcare LLC Control electrode for an x-ray tube cathode
US12183536B2 (en) 2021-12-21 2024-12-31 GE Precision Healthcare LLC X-ray cathode focusing element
USD1104264S1 (en) 2021-12-21 2025-12-02 GE Precision Healthcare LLC Control electrode for an x-ray tube cathode
CN114690169B (zh) * 2022-03-09 2024-05-24 中国科学院国家空间科学中心 一种利用主动电子束探测空间目标的装置及方法
US12176099B2 (en) 2022-03-31 2024-12-24 GE Precision Healthcare LLC Low-cost estimation and/or tracking of intra-scan focal-spot displacement
US12125662B2 (en) 2022-04-01 2024-10-22 GE Precision Healthcare LLC Correction of intra-scan focal-spot displacement

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JPS61153934A (ja) * 1984-12-27 1986-07-12 Toshiba Corp 焦点位置可変形ｘ線管
JPS61198536A (ja) * 1985-02-26 1986-09-02 Shimadzu Corp 焦点寸法調節形ｘ線管
DE3542127A1 (de) * 1985-11-28 1987-06-04 Siemens Ag Roentgenstrahler
FR2644931A1 (fr) * 1989-03-24 1990-09-28 Gen Electric Cgr Tube a rayons x a balayage avec plaques de deflexion
FR2667723B1 (fr) * 1990-10-09 1992-11-27 Gen Electric Cgr Dispositif d'obtention et de commutation de hautes tensions de polarisation d'electrodes de tube a rayons x.
US5633907A (en) * 1996-03-21 1997-05-27 General Electric Company X-ray tube electron beam formation and focusing
DE19832972A1 (de) * 1998-07-22 2000-01-27 Siemens Ag Röntgenstrahler
US6236713B1 (en) * 1998-10-27 2001-05-22 Litton Systems, Inc. X-ray tube providing variable imaging spot size
US6438207B1 (en) * 1999-09-14 2002-08-20 Varian Medical Systems, Inc. X-ray tube having improved focal spot control
JP2002238885A (ja) * 2001-02-02 2002-08-27 Ge Medical Systems Global Technology Co Llc Ｘ線焦点位置制御方法及びそのプログラム並びにｘ線ｃｔ装置及びｘ線管
US6839405B2 (en) * 2002-05-31 2005-01-04 Siemens Medical Solutions Usa, Inc. System and method for electronic shaping of X-ray beams

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