JP5719162B2 - Ｘ線管陰極アセンブリシステム及び、ｘ線管システム - Google Patents

Ｘ線管陰極アセンブリシステム及び、ｘ線管システム Download PDF

Info

Publication number
JP5719162B2
JP5719162B2 JP2010279974A JP2010279974A JP5719162B2 JP 5719162 B2 JP5719162 B2 JP 5719162B2 JP 2010279974 A JP2010279974 A JP 2010279974A JP 2010279974 A JP2010279974 A JP 2010279974A JP 5719162 B2 JP5719162 B2 JP 5719162B2
Authority
JP
Japan
Prior art keywords
substrate
coating
filament
cathode
tantalum
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.)
Active
Application number
JP2010279974A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011159623A5 (enExample
JP2011159623A (ja
Inventor
セルジオ・ルメイトル
ジュリン・ワン
セルジイ・ザリュボフスキー
アンドレイ・イヴァノヴィッチ・メシュコフ
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JP2011159623A publication Critical patent/JP2011159623A/ja
Publication of JP2011159623A5 publication Critical patent/JP2011159623A5/ja
Application granted granted Critical
Publication of JP5719162B2 publication Critical patent/JP5719162B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/26—Supports for the emissive material
    • 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
    • H01J35/064—Details of the emitter, e.g. material or structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts

Landscapes

  • X-Ray Techniques (AREA)
  • Solid Thermionic Cathode (AREA)
JP2010279974A 2010-02-02 2010-12-16 Ｘ線管陰極アセンブリシステム及び、ｘ線管システム Active JP5719162B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/698,851 2010-02-02
US12/698,851 US8385506B2 (en) 2010-02-02 2010-02-02 X-ray cathode and method of manufacture thereof

Publications (3)

Publication Number Publication Date
JP2011159623A JP2011159623A (ja) 2011-08-18
JP2011159623A5 JP2011159623A5 (enExample) 2014-01-30
JP5719162B2 true JP5719162B2 (ja) 2015-05-13

Family

ID=44316218

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010279974A Active JP5719162B2 (ja) 2010-02-02 2010-12-16 Ｘ線管陰極アセンブリシステム及び、ｘ線管システム

Country Status (4)

Country Link
US (1) US8385506B2 (enExample)
JP (1) JP5719162B2 (enExample)
CN (1) CN102142346B (enExample)
DE (1) DE102010061584A1 (enExample)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8525411B1 (en) * 2012-05-10 2013-09-03 Thermo Scientific Portable Analytical Instruments Inc. Electrically heated planar cathode
US10045752B2 (en) * 2012-05-14 2018-08-14 The General Hospital Corporation Method for coded-source phase contrast X-ray imaging
DE102012211285B3 (de) * 2012-06-29 2013-10-10 Siemens Aktiengesellschaft Röntgenröhre und Verfahren zum Betrieb einer Röntgenröhre
DE102012211287B3 (de) * 2012-06-29 2013-10-10 Siemens Aktiengesellschaft Verfahren zum Betrieb einer Röntgenröhre
US8831178B2 (en) * 2012-07-03 2014-09-09 General Electric Company Apparatus and method of manufacturing a thermally stable cathode in an X-ray tube
US9202663B2 (en) * 2012-12-05 2015-12-01 Shimadzu Corporation Flat filament for an X-ray tube, and an X-ray tube
US9048064B2 (en) * 2013-03-05 2015-06-02 Varian Medical Systems, Inc. Cathode assembly for a long throw length X-ray tube
CN105340048B (zh) * 2013-07-09 2017-05-17 株式会社岛津制作所 X射线管装置及灯丝的调整方法
US9448327B2 (en) * 2013-12-16 2016-09-20 Schlumberger Technology Corporation X-ray generator having multiple extractors with independently selectable potentials
US9443691B2 (en) 2013-12-30 2016-09-13 General Electric Company Electron emission surface for X-ray generation
CA2946386C (en) * 2014-04-22 2024-01-02 Immunolight, Llc Tumor imaging using photon-emitting phosphors having therapeutic properties
US9711320B2 (en) * 2014-04-29 2017-07-18 General Electric Company Emitter devices for use in X-ray tubes
US9472371B2 (en) 2014-09-26 2016-10-18 Varian Medical Systems, Inc. Filament for X-ray cathode
US9711321B2 (en) * 2014-12-30 2017-07-18 General Electric Company Low aberration, high intensity electron beam for X-ray tubes
CN104735898A (zh) * 2015-03-30 2015-06-24 同方威视技术股份有限公司 电子帘加速器、反射极以及电子加速方法
DE102015211235B4 (de) * 2015-06-18 2023-03-23 Siemens Healthcare Gmbh Emitter
CN105070625A (zh) * 2015-08-18 2015-11-18 上海宏精医疗器械有限公司 一种高效的x射线管装置
US9953797B2 (en) * 2015-09-28 2018-04-24 General Electric Company Flexible flat emitter for X-ray tubes
US10468222B2 (en) 2016-03-31 2019-11-05 General Electric Company Angled flat emitter for high power cathode with electrostatic emission control
EP3226277A1 (en) * 2016-03-31 2017-10-04 General Electric Company Angled flat emitter for high power cathode with electrostatic emission control
US10991539B2 (en) * 2016-03-31 2021-04-27 Nano-X Imaging Ltd. X-ray tube and a conditioning method thereof
JP6744116B2 (ja) * 2016-04-01 2020-08-19 キヤノン電子管デバイス株式会社 エミッター及びｘ線管
US10373792B2 (en) * 2016-06-28 2019-08-06 General Electric Company Cathode assembly for use in X-ray generation
US10636608B2 (en) * 2017-06-05 2020-04-28 General Electric Company Flat emitters with stress compensation features
DE102017127372A1 (de) * 2017-11-21 2019-05-23 Smiths Heimann Gmbh Anodenkopf für Röntgenstrahlenerzeuger
US20200066474A1 (en) * 2018-08-22 2020-02-27 Modern Electron, LLC Cathodes with conformal cathode surfaces, vacuum electronic devices with cathodes with conformal cathode surfaces, and methods of manufacturing the same
US12046441B2 (en) * 2021-12-21 2024-07-23 GE Precision Healthcare LLC X-ray tube cathode focusing element

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3558964A (en) 1968-10-21 1971-01-26 Gen Electric High current thermionic hollow cathode lamp
US3914639A (en) * 1974-04-05 1975-10-21 Anthony J Barraco Heater unit for cathode
DE3467467D1 (en) 1983-09-30 1987-12-17 Bbc Brown Boveri & Cie Thermionic cathode capable of high emission for an electron tube, and method of manufacture
US4685118A (en) * 1983-11-10 1987-08-04 Picker International, Inc. X-ray tube electron beam switching and biasing method and apparatus
US4675570A (en) 1984-04-02 1987-06-23 Varian Associates, Inc. Tungsten-iridium impregnated cathode
US4607380A (en) * 1984-06-25 1986-08-19 General Electric Company High intensity microfocus X-ray source for industrial computerized tomography and digital fluoroscopy
JPS61173436A (ja) 1984-12-19 1986-08-05 Inoue Japax Res Inc 改良した陰極
US4631742A (en) * 1985-02-25 1986-12-23 General Electric Company Electronic control of rotating anode microfocus x-ray tubes for anode life extension
DE3760462D1 (en) * 1986-02-21 1989-09-21 Siemens Ag Glow cathode for an x-ray tube
US4821305A (en) * 1986-03-25 1989-04-11 Varian Associates, Inc. Photoelectric X-ray tube
US4894257A (en) 1988-07-05 1990-01-16 The United States Of America As Represented By The Secretary Of America Method of overcoating a high current density cathode with rhodium
US6642657B2 (en) 1994-12-01 2003-11-04 Frederick M. Mako Robust pierce gun having multiple transmitting and emitting section
DE19513290C1 (de) 1995-04-07 1996-07-25 Siemens Ag Röntgenröhre mit einem Niedrigtemperatur-Emitter
US6051165A (en) 1997-09-08 2000-04-18 Integrated Thermal Sciences Inc. Electron emission materials and components
FR2810446A1 (fr) 2000-06-14 2001-12-21 Thomson Tubes & Displays Cathodes a oxyde amelioree et son procede de fabrication
DE10029253C1 (de) * 2000-06-14 2001-10-25 Siemens Ag Direktgeheizter thermionischer Flachemitter
US7085351B2 (en) * 2000-10-06 2006-08-01 University Of North Carolina At Chapel Hill Method and apparatus for controlling electron beam current
DE10135995C2 (de) * 2001-07-24 2003-10-30 Siemens Ag Direktgeheizter thermionischer Flachemitter
US6785359B2 (en) * 2002-07-30 2004-08-31 Ge Medical Systems Global Technology Company, Llc Cathode for high emission x-ray tube
US6762540B2 (en) 2002-10-25 2004-07-13 Ge Medical Systems Global Technology Company, Llc One-piece tab assembly for a cathode cup of an X-ray imaging machine
US6968039B2 (en) 2003-08-04 2005-11-22 Ge Medical Systems Global Technology Co., Llc Focal spot position adjustment system for an imaging tube
US7206379B2 (en) 2003-11-25 2007-04-17 General Electric Company RF accelerator for imaging applications
US20050179024A1 (en) 2003-12-25 2005-08-18 Matsushita Electric Industrial Co., Ltd. Electron emission material and electron emission element using the same
US7203269B2 (en) * 2004-05-28 2007-04-10 General Electric Company System for forming x-rays and method for using same
US7352840B1 (en) 2004-06-21 2008-04-01 Radiation Monitoring Devices, Inc. Micro CT scanners incorporating internal gain charge-coupled devices
US7199386B2 (en) 2004-07-29 2007-04-03 General Electric Company System and method for detecting defects in a light-management film
US7558374B2 (en) 2004-10-29 2009-07-07 General Electric Co. System and method for generating X-rays
US7576481B2 (en) 2005-06-30 2009-08-18 General Electric Co. High voltage stable cathode for x-ray tube
US7450690B2 (en) 2005-07-08 2008-11-11 General Electric Company Reduced focal spot motion in a CT X-ray tube
US7795792B2 (en) * 2006-02-08 2010-09-14 Varian Medical Systems, Inc. Cathode structures for X-ray tubes
US7280637B1 (en) 2006-03-28 2007-10-09 Jizhong Chen Systems, apparatus and methods for X-ray imaging
US7828621B2 (en) 2006-03-31 2010-11-09 General Electric Company Apparatus and methods for producing multi-electrode cathode for X-ray tube
US7693265B2 (en) * 2006-05-11 2010-04-06 Koninklijke Philips Electronics N.V. Emitter design including emergency operation mode in case of emitter-damage for medical X-ray application
US7409043B2 (en) 2006-05-23 2008-08-05 General Electric Company Method and apparatus to control radiation tube focal spot size
US7945024B2 (en) 2006-08-16 2011-05-17 General Electric Company Method for reducing X-ray tube power de-rating during dynamic focal spot deflection
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
EP1983546A1 (en) * 2007-04-20 2008-10-22 PANalytical B.V. X-ray cathode and tube
US7627087B2 (en) 2007-06-28 2009-12-01 General Electric Company One-dimensional grid mesh for a high-compression electron gun
JP5200103B2 (ja) * 2007-07-24 2013-05-15 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 熱イオン電子エミッタ及びそれを含むｘ線源
US7539286B1 (en) * 2007-11-19 2009-05-26 Varian Medical Systems, Inc. Filament assembly having reduced electron beam time constant
JP5426089B2 (ja) * 2007-12-25 2014-02-26 株式会社東芝 Ｘ線管及びｘ線ｃｔ装置
US7924983B2 (en) * 2008-06-30 2011-04-12 Varian Medical Systems, Inc. Thermionic emitter designed to control electron beam current profile in two dimensions
US7903788B2 (en) * 2008-09-25 2011-03-08 Varian Medical Systems, Inc. Thermionic emitter designed to provide uniform loading and thermal compensation
US8077829B2 (en) 2008-09-25 2011-12-13 Varian Medical Systems, Inc. Electron emitter apparatus and method of assembly
US8027433B2 (en) * 2009-07-29 2011-09-27 General Electric Company Method of fast current modulation in an X-ray tube and apparatus for implementing same
US8175222B2 (en) 2009-08-27 2012-05-08 Varian Medical Systems, Inc. Electron emitter and method of making same

Also Published As

Publication number Publication date
CN102142346B (zh) 2017-04-12
DE102010061584A1 (de) 2011-08-04
US8385506B2 (en) 2013-02-26
JP2011159623A (ja) 2011-08-18
CN102142346A (zh) 2011-08-03
US20110188637A1 (en) 2011-08-04

Similar Documents

Publication Publication Date Title
JP5719162B2 (ja) Ｘ線管陰極アセンブリシステム及び、ｘ線管システム
US7197116B2 (en) Wide scanning x-ray source
JP4590479B2 (ja) ビーム・エミッタンス増大を最小限にした電界エミッタ利用電子源
US8487534B2 (en) Pierce gun and method of controlling thereof
US7496180B1 (en) Focal spot temperature reduction using three-point deflection
US8588372B2 (en) Apparatus for modifying electron beam aspect ratio for X-ray generation
US8520803B2 (en) Multi-segment anode target for an X-ray tube of the rotary anode type with each anode disk segment having its own anode inclination angle with respect to a plane normal to the rotational axis of the rotary anode and X-ray tube comprising a rotary anode with such a multi-segment anode target
JP4864308B2 (ja) 増大した有効範囲を有するｘ線陽極
US20110142193A1 (en) X-ray tube for microsecond x-ray intensity switching
US8488737B2 (en) Medical X-ray imaging system
JP7005534B2 (ja) Ｘ線の生成に使用するためのカソードアセンブリ
JP2012522332A (ja) Ｘ線管を備えた符号化された線源イメージング用の構造を有する電子エミッタ
JP2010086960A (ja) 広範囲照射型ｘ線管及びｃｔシステム
US7327829B2 (en) Cathode assembly
KR20100071564A (ko) 엑스선 튜브
JP4585195B2 (ja) Ｘ線ｃｔ装置
JP4601994B2 (ja) Ｘ線源及びその陽極
US9443691B2 (en) Electron emission surface for X-ray generation
US9711320B2 (en) Emitter devices for use in X-ray tubes
JP5020466B2 (ja) Ｘ線ビームの発生方法及び装置
JP4665055B2 (ja) Ｘ線ｃｔ装置
JP2006073385A (ja) Ｘ線管装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20131205

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20131205

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20140820

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140902

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20141008

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20150224

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150320

R150 Certificate of patent or registration of utility model

Ref document number: 5719162

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350