BRPI0708509B8 - gerador de raios-x múltiplos, e, aparelho de formação de imagem de raios-x múltiplos - Google Patents

gerador de raios-x múltiplos, e, aparelho de formação de imagem de raios-x múltiplos

Info

Publication number
BRPI0708509B8
BRPI0708509B8 BRPI0708509A BRPI0708509A BRPI0708509B8 BR PI0708509 B8 BRPI0708509 B8 BR PI0708509B8 BR PI0708509 A BRPI0708509 A BR PI0708509A BR PI0708509 A BRPI0708509 A BR PI0708509A BR PI0708509 B8 BRPI0708509 B8 BR PI0708509B8
Authority
BR
Brazil
Prior art keywords
ray
beams
imaging apparatus
electron
transmission
Prior art date
Application number
BRPI0708509A
Other languages
English (en)
Inventor
Okunuki Masahiko
Tsujii Osamu
Tsukamoto Takeo
Original Assignee
Canon Kk
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 Canon Kk filed Critical Canon Kk
Publication of BRPI0708509A2 publication Critical patent/BRPI0708509A2/pt
Publication of BRPI0708509B1 publication Critical patent/BRPI0708509B1/pt
Publication of BRPI0708509B8 publication Critical patent/BRPI0708509B8/pt

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/16Vessels; Containers; Shields associated therewith
    • H01J35/18Windows
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06Cathodes
    • H01J35/065Field emission, photo emission or secondary emission cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/08Anodes; Anti cathodes
    • H01J35/12Cooling non-rotary anodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/16Vessels; Containers; Shields associated therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00X-ray tubes
    • H01J2235/06Cathode assembly
    • H01J2235/062Cold cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00X-ray tubes
    • H01J2235/06Cathode assembly
    • H01J2235/068Multi-cathode assembly
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00X-ray tubes
    • H01J2235/16Vessels
    • H01J2235/165Shielding arrangements
    • H01J2235/166Shielding arrangements against electromagnetic radiation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00X-ray tubes
    • H01J2235/16Vessels
    • H01J2235/165Shielding arrangements
    • H01J2235/168Shielding arrangements against charged particles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/08Anodes; Anti cathodes
    • H01J35/112Non-rotating anodes
    • H01J35/116Transmissive anodes

Landscapes

  • X-Ray Techniques (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

gerador de raios-x múltiplos, e, aparelho de formação de imagem de raios-x múltiplos um aparelho compacto pode formar feixes de raios-x múltiplos com boa controlabilidade. feixes de elétrons (e) emitidos pelos elementos de emissão de elétrons (15) de uma unidade geradora de feixe de elétrons múltiplos (12) recebem o efeito de lente de um eletrodo de lente (19). os feixes de elétrons resultantes são acelerados até o nível de potencial final por porções de uma porção alvo do tipo transmissão (13) de um eletrodo anodo (20). os feixes de raios-x múltiplos (x) gerados pela porção alvo do tipo transmissão (13) passam através de uma placa de blindagem de raios-x (23) e porções de extração de raios-x (24) em uma câmara de vácuo e são extraídos das janelas de extração de raios-x (27) de uma porção de parede (25) para a atmosfera.
BRPI0708509A 2006-03-03 2007-03-02 gerador de raios-x múltiplos, e, aparelho de formação de imagem de raios-x múltiplos BRPI0708509B8 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2006-057846 2006-03-03
JP2006057846 2006-03-03
JP2007050942A JP4878311B2 (ja) 2006-03-03 2007-03-01 マルチx線発生装置
JP2007-050942 2007-03-01
PCT/JP2007/054090 WO2007100105A1 (ja) 2006-03-03 2007-03-02 マルチx線発生装置およびマルチx線撮影装置

Publications (3)

Publication Number Publication Date
BRPI0708509A2 BRPI0708509A2 (pt) 2011-05-31
BRPI0708509B1 BRPI0708509B1 (pt) 2019-04-02
BRPI0708509B8 true BRPI0708509B8 (pt) 2021-07-27

Family

ID=38459200

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0708509A BRPI0708509B8 (pt) 2006-03-03 2007-03-02 gerador de raios-x múltiplos, e, aparelho de formação de imagem de raios-x múltiplos

Country Status (8)

Country Link
US (4) US7873146B2 (pt)
EP (2) EP2573791B1 (pt)
JP (1) JP4878311B2 (pt)
KR (2) KR101113093B1 (pt)
CN (2) CN101395691B (pt)
BR (1) BRPI0708509B8 (pt)
RU (1) RU2388103C1 (pt)
WO (1) WO2007100105A1 (pt)

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* Cited by examiner, † Cited by third party
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US8861682B2 (en) 2014-10-14
CN102129948A (zh) 2011-07-20
WO2007100105A1 (ja) 2007-09-07
JP4878311B2 (ja) 2012-02-15
KR101113093B1 (ko) 2012-03-13
KR20080095295A (ko) 2008-10-28
EP1995757A1 (en) 2008-11-26
US7889844B2 (en) 2011-02-15
KR20110005726A (ko) 2011-01-18
EP2573791A2 (en) 2013-03-27
BRPI0708509B1 (pt) 2019-04-02
EP1995757B1 (en) 2013-06-19
US20120140895A1 (en) 2012-06-07
EP2573791A3 (en) 2013-07-31
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US8139716B2 (en) 2012-03-20
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US7873146B2 (en) 2011-01-18
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