BR112014028913A2 - cátodo para um tubo de raios x, tubo de raios x, sistema para imagens de raios x, e método para a montagem de um cátodo para um tubo de raios x - Google Patents

cátodo para um tubo de raios x, tubo de raios x, sistema para imagens de raios x, e método para a montagem de um cátodo para um tubo de raios x

Info

Publication number
BR112014028913A2
BR112014028913A2 BR112014028913A BR112014028913A BR112014028913A2 BR 112014028913 A2 BR112014028913 A2 BR 112014028913A2 BR 112014028913 A BR112014028913 A BR 112014028913A BR 112014028913 A BR112014028913 A BR 112014028913A BR 112014028913 A2 BR112014028913 A2 BR 112014028913A2
Authority
BR
Brazil
Prior art keywords
ray tube
cathode
filament
ray
mounting
Prior art date
Application number
BR112014028913A
Other languages
English (en)
Inventor
Walter Voellmer Marcus
Hauttmann Stefan
Terletska Zoryana
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 BR112014028913A2 publication Critical patent/BR112014028913A2/pt

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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements
    • 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
    • H01J1/88—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • H01J1/92—Mountings for the electrode assembly as a whole
    • 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
    • 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
    • H01J35/066—Details of electron optical components, e.g. cathode cups
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/147—Spot size control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/16—Vessels; Containers; Shields associated therewith
    • H01J35/165—Vessels; Containers; Shields associated therewith joining connectors to the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/065—Construction of guns or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4824—Constructional arrangements of electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4824—Constructional arrangements of electrodes
    • H01J2229/4831—Electrode supports
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/06—Cathode assembly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/03—Mounting, supporting, spacing or insulating electrodes
    • H01J2237/032—Mounting or supporting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/03—Mounting, supporting, spacing or insulating electrodes
    • H01J2237/036—Spacing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/03—Mounting, supporting, spacing or insulating electrodes
    • H01J2237/038—Insulating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0002—Construction arrangements of electrode systems
    • H01J2893/0005—Fixing of electrodes
    • H01J2893/0006—Mounting

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • X-Ray Techniques (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)

Abstract

resumo cátodo para um tubo de raios x, tubo de raios x, sistema para imagens de raios x, e método para a montagem de um cátodo para um tubo de raios x a presente invenção se refere a um cátodo para um tubo de raios x, um tubo de raios x, um sistema para imagens de raios x, e um método para a montagem de um cátodo para um tubo de raios x. para prover um cátodo com montagem melhor e facilitada, é provido um cátodo (10) para um tubo de raios x, compreendendo um filamento (12), uma estrutura de suporte (14), uma estrutura de corpo (16), e uma estrutura do quadro do filamento (18). o filamento é provido para emitir elétrons na direção de um ânodo em uma direção de emissão de elétron (24), e o filamento pelo menos parcialmente compreende uma estrutura helicoidal (26). além disso, o filamento é suportado por uma estrutura de suporte, que está fixamente conectada à estrutura de corpo. a estrutura do quadro do filamento é provida para a focalização elétron óptica dos elétrons emitidos, e a estrutura do quadro do filamento é provida adjacente aos limites exteriores do filamento. a estrutura do quadro do filamento compreende partes da superfície do quadro (28) dispostas de forma transversal à direção de emissão, e a estrutura do quadro do filamento é suportada por uma estrutura de suporte. 1/1
BR112014028913A 2012-05-22 2013-05-21 cátodo para um tubo de raios x, tubo de raios x, sistema para imagens de raios x, e método para a montagem de um cátodo para um tubo de raios x BR112014028913A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261649973P 2012-05-22 2012-05-22
PCT/IB2013/054181 WO2013175402A1 (en) 2012-05-22 2013-05-21 Cathode filament assembly

Publications (1)

Publication Number Publication Date
BR112014028913A2 true BR112014028913A2 (pt) 2017-06-27

Family

ID=48747637

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014028913A BR112014028913A2 (pt) 2012-05-22 2013-05-21 cátodo para um tubo de raios x, tubo de raios x, sistema para imagens de raios x, e método para a montagem de um cátodo para um tubo de raios x

Country Status (7)

Country Link
US (1) US9916959B2 (pt)
EP (1) EP2852964B1 (pt)
JP (1) JP6392746B2 (pt)
CN (1) CN104488063B (pt)
BR (1) BR112014028913A2 (pt)
RU (1) RU2014151770A (pt)
WO (1) WO2013175402A1 (pt)

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CN103794431B (zh) * 2014-01-17 2016-04-13 杭州凯龙医疗器械有限公司 一种x射线管灯丝定型装置及其定型方法
WO2017080843A1 (en) 2015-11-13 2017-05-18 Koninklijke Philips N.V. Cathode for an x-ray tube
CN106531592B (zh) 2016-12-29 2018-12-28 清华大学 电子枪以及具有该电子枪的x射线光源与ct设备
JP7197245B2 (ja) * 2017-01-12 2022-12-27 キヤノン電子管デバイス株式会社 Ｘ線管及びｘ線管の製造方法
US10636608B2 (en) * 2017-06-05 2020-04-28 General Electric Company Flat emitters with stress compensation features
KR102138020B1 (ko) * 2018-09-17 2020-07-27 (주)선재하이테크 연엑스선 튜브
US10910187B2 (en) * 2018-09-25 2021-02-02 General Electric Company X-ray tube cathode flat emitter support mounting structure and method
CN109300755A (zh) * 2018-10-19 2019-02-01 东莞中子科学中心 一种x射线管、辐照腔、x射线源设备及应用
WO2022021942A1 (en) 2020-07-27 2022-02-03 Shanghai United Imaging Healthcare Co., Ltd. Radiotherapy device and microwave source thereof
CN111729212A (zh) * 2020-07-27 2020-10-02 上海联影医疗科技有限公司 微波源的阴极加热器、阴极和放射治疗设备

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Also Published As

Publication number Publication date
US20150124931A1 (en) 2015-05-07
CN104488063A (zh) 2015-04-01
JP6392746B2 (ja) 2018-09-19
CN104488063B (zh) 2017-06-09
RU2014151770A (ru) 2016-07-20
US9916959B2 (en) 2018-03-13
JP2015524144A (ja) 2015-08-20
EP2852964A1 (en) 2015-04-01
WO2013175402A1 (en) 2013-11-28
EP2852964B1 (en) 2017-02-08

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 6A ANUIDADE.

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2516 DE 26-03-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.