• DocumentCode
    1860610
  • Title

    Fast active-current control with a push-up voltage source for carbon nanotube field-emission X-ray tubes

  • Author

    Jun-Tae Kang ; Jin-Woo Jeong ; Young Chul Choi ; Jae-Woo Kim ; Sungyoul Choi ; Park, Sora ; Min-Sik Shin ; Ji-Hwan Yeon ; Hyojin Jeon ; Seungjoon Ahn ; Yoon-Ho Song

  • Author_Institution
    Electron. & Telecommun. Res. Inst., Daejeon, South Korea
  • fYear
    2015
  • fDate
    27-29 April 2015
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    The advanced active-current control with a push-up voltage source is proposed for the fast operation of a carbon nanotube (CNT) field-emission X-ray tube while maintaining the advantages of improved stability and reliability. The push-up voltage source, composed of a resistor and a voltage supply, was found to reduce the response time of CNT X-ray tubes down to sub-microsecond.
  • Keywords
    X-ray tubes; carbon nanotubes; electric current control; field emitter arrays; CNT X-ray tubes; carbon nanotube field-emission X-ray tubes; fast active-current control; push-up voltage source; response time; voltage supply; Carbon nanotubes; Cathodes; Electron tubes; Reliability engineering; Voltage control; X-ray imaging; X-ray tube; active-current control; carbon nanotube; field emission; push-up voltage source;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Vacuum Electronics Conference (IVEC), 2015 IEEE International
  • Conference_Location
    Beijing
  • Print_ISBN
    978-1-4799-7109-1
  • Type

    conf

  • DOI
    10.1109/IVEC.2015.7223803
  • Filename
    7223803