Title :
Electron gun with field emission cathode for x-ray tube
Author :
Eroshkin, Pavel A. ; Sheshin, Evgeny P.
Author_Institution :
Moscow Inst. of Phys. & Technol., Dolgoprudy, Russia
fDate :
June 30 2014-July 4 2014
Abstract :
Some issues of electron gun design are considered. The relations between the field emission current and the control voltage for different distances between the emitting edge of the cathode and the edge of the modulator are described. The optimal value of this parameter is proposed.
Keywords :
X-ray tubes; cathodes; electron field emission; electron guns; vacuum microelectronics; X-ray tube; electron gun design; emitting cathode edge; field emission cathode; field emission current; modulator edge; Anodes; Cathodes; Electron tubes; Electronic mail; Modulation; Physics; Voltage control;
Conference_Titel :
Vacuum Electron Sources Conference (IVESC), 2014 Tenth International
Conference_Location :
St. Petersburg
Print_ISBN :
978-1-4799-5770-5
DOI :
10.1109/IVESC.2014.6891972
