CN103959422A - 具有可加热场致发射电子发射器的x射线管和操作其的方法 - Google Patents

具有可加热场致发射电子发射器的x射线管和操作其的方法 Download PDF

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Publication number
CN103959422A
CN103959422A CN201280058403.0A CN201280058403A CN103959422A CN 103959422 A CN103959422 A CN 103959422A CN 201280058403 A CN201280058403 A CN 201280058403A CN 103959422 A CN103959422 A CN 103959422A
Authority
CN
China
Prior art keywords
emitting surface
electron emitting
ray tube
electron
field
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.)
Pending
Application number
CN201280058403.0A
Other languages
English (en)
Chinese (zh)
Inventor
A·K·多卡尼亚
G·福格特米尔
P·K·巴赫曼
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN103959422A publication Critical patent/CN103959422A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y99/00—Subject matter not provided for in other groups of this subclass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/30—Cold cathodes
    • H01J2201/304—Field emission cathodes
    • H01J2201/30446—Field emission cathodes characterised by the emitter material
    • H01J2201/30453—Carbon types
    • H01J2201/30469—Carbon nanotubes (CNTs)
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/902—Specified use of nanostructure
    • Y10S977/932—Specified use of nanostructure for electronic or optoelectronic application
    • Y10S977/939—Electron emitter, e.g. spindt emitter tip coated with nanoparticles

Landscapes

  • X-Ray Techniques (AREA)
CN201280058403.0A 2011-11-28 2012-11-14 具有可加热场致发射电子发射器的x射线管和操作其的方法 Pending CN103959422A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161563870P 2011-11-28 2011-11-28
US61/563,870 2011-11-28
PCT/IB2012/056417 WO2013080074A1 (en) 2011-11-28 2012-11-14 X-ray tube with heatable field emission electron emitter and method for operating same

Publications (1)

Publication Number Publication Date
CN103959422A true CN103959422A (zh) 2014-07-30

Family

ID=47520185

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280058403.0A Pending CN103959422A (zh) 2011-11-28 2012-11-14 具有可加热场致发射电子发射器的x射线管和操作其的方法

Country Status (8)

Country Link
US (1) US20140321619A1 (https=)
EP (1) EP2748834A1 (https=)
JP (1) JP2015504583A (https=)
CN (1) CN103959422A (https=)
BR (1) BR112014012484A2 (https=)
IN (1) IN2014CN03833A (https=)
RU (1) RU2014126428A (https=)
WO (1) WO2013080074A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106298409A (zh) * 2016-09-14 2017-01-04 中山大学 采用温度敏感的纳米线冷阴极的平板x射线源及制备方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2675791C2 (ru) * 2014-02-10 2018-12-25 Люксбрайт Аб Рентгеновское устройство
JP6980740B2 (ja) * 2015-02-10 2021-12-15 ルクスブライト・アーベー Ｘ線デバイス
CN107195517A (zh) * 2017-06-02 2017-09-22 重庆涌阳光电有限公司 具有高真空的场发射x射线管
EP3518266A1 (de) 2018-01-30 2019-07-31 Siemens Healthcare GmbH Thermionische emissionsvorrichtung
CN112368795B (zh) * 2018-04-06 2025-01-10 微-X有限公司 用于大电流应用的大规模稳定场发射体
RU2761107C1 (ru) * 2021-04-01 2021-12-06 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Электронная пушка свч прибора

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6239538B1 (en) * 1997-09-17 2001-05-29 Nec Corporation Field emitter
CN1937165A (zh) * 2005-09-21 2007-03-28 株式会社日立高新技术 场致发射型电子枪及使用了该电子枪的电子束装置
CN101419887A (zh) * 2008-09-08 2009-04-29 中山大学 一种快速响应的场发射冷阴极电子源结构
US20090289555A1 (en) * 2005-10-14 2009-11-26 Tsinghua University Electron emission device comprising carbon nanotubes yarn and method for generating emission current
WO2010131209A1 (en) * 2009-05-12 2010-11-18 Koninklijke Philips Electronics N.V. X-ray source with a plurality of electron emitters
CN102007563A (zh) * 2008-04-17 2011-04-06 皇家飞利浦电子股份有限公司 具有无源离子收集电极的x射线管

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69834673T2 (de) * 1997-09-30 2006-10-26 Noritake Co., Ltd., Nagoya Verfahren zur Herstellung einer Elektronenemittierenden Quelle
JP2001250496A (ja) * 2000-03-06 2001-09-14 Rigaku Corp Ｘ線発生装置
US7085351B2 (en) * 2000-10-06 2006-08-01 University Of North Carolina At Chapel Hill Method and apparatus for controlling electron beam current
US20050200261A1 (en) * 2000-12-08 2005-09-15 Nano-Proprietary, Inc. Low work function cathode
JP3810656B2 (ja) * 2001-07-23 2006-08-16 株式会社神戸製鋼所 微小ｘ線源
US7825591B2 (en) * 2006-02-15 2010-11-02 Panasonic Corporation Mesh structure and field-emission electron source apparatus using the same
JP2008047309A (ja) * 2006-08-11 2008-02-28 Hitachi High-Technologies Corp 電界放出型電子銃、およびその運転方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6239538B1 (en) * 1997-09-17 2001-05-29 Nec Corporation Field emitter
CN1937165A (zh) * 2005-09-21 2007-03-28 株式会社日立高新技术 场致发射型电子枪及使用了该电子枪的电子束装置
US20090289555A1 (en) * 2005-10-14 2009-11-26 Tsinghua University Electron emission device comprising carbon nanotubes yarn and method for generating emission current
CN102007563A (zh) * 2008-04-17 2011-04-06 皇家飞利浦电子股份有限公司 具有无源离子收集电极的x射线管
CN101419887A (zh) * 2008-09-08 2009-04-29 中山大学 一种快速响应的场发射冷阴极电子源结构
WO2010131209A1 (en) * 2009-05-12 2010-11-18 Koninklijke Philips Electronics N.V. X-ray source with a plurality of electron emitters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106298409A (zh) * 2016-09-14 2017-01-04 中山大学 采用温度敏感的纳米线冷阴极的平板x射线源及制备方法

Also Published As

Publication number Publication date
EP2748834A1 (en) 2014-07-02
WO2013080074A1 (en) 2013-06-06
IN2014CN03833A (https=) 2015-07-03
BR112014012484A2 (pt) 2017-06-06
RU2014126428A (ru) 2016-01-27
JP2015504583A (ja) 2015-02-12
US20140321619A1 (en) 2014-10-30

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