BR112014012484A2 - tubo de raios x, dispositivo de raios x médico, e método de operação de um tubo de raios x - Google Patents

tubo de raios x, dispositivo de raios x médico, e método de operação de um tubo de raios x

Info

Publication number
BR112014012484A2
BR112014012484A2 BR112014012484A BR112014012484A BR112014012484A2 BR 112014012484 A2 BR112014012484 A2 BR 112014012484A2 BR 112014012484 A BR112014012484 A BR 112014012484A BR 112014012484 A BR112014012484 A BR 112014012484A BR 112014012484 A2 BR112014012484 A2 BR 112014012484A2
Authority
BR
Brazil
Prior art keywords
electron
ray tube
ray
emitting surface
medical
Prior art date
Application number
BR112014012484A
Other languages
English (en)
Portuguese (pt)
Inventor
Kumar Dokania Anand
Vogtmeier Gereon
Klaus Bachmann Peter
Original Assignee
Koninklijke Philips 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 Nv filed Critical Koninklijke Philips Nv
Publication of BR112014012484A2 publication Critical patent/BR112014012484A2/pt

Links

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)
BR112014012484A 2011-11-28 2012-11-14 tubo de raios x, dispositivo de raios x médico, e método de operação de um tubo de raios x BR112014012484A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161563870P 2011-11-28 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
BR112014012484A2 true BR112014012484A2 (pt) 2017-06-06

Family

ID=47520185

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014012484A BR112014012484A2 (pt) 2011-11-28 2012-11-14 tubo de raios x, dispositivo de raios x médico, e método de operação de um tubo de raios x

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=)

Families Citing this family (7)

* 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
CN106298409B (zh) * 2016-09-14 2019-05-03 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
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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1196892A (ja) * 1997-09-17 1999-04-09 Nec Corp フィールドエミッタ
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
JP2007087676A (ja) * 2005-09-21 2007-04-05 Hitachi High-Technologies Corp 電界放出型電子銃およびそれを用いた電子ビーム装置
CN1949449B (zh) * 2005-10-14 2010-09-29 北京富纳特创新科技有限公司 电子发射器件
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
EP2277189B1 (en) * 2008-04-17 2013-11-27 Philips Intellectual Property & Standards GmbH X-ray tube with passive ion collecting electrode
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
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

Also Published As

Publication number Publication date
EP2748834A1 (en) 2014-07-02
WO2013080074A1 (en) 2013-06-06
IN2014CN03833A (https=) 2015-07-03
RU2014126428A (ru) 2016-01-27
CN103959422A (zh) 2014-07-30
JP2015504583A (ja) 2015-02-12
US20140321619A1 (en) 2014-10-30

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]