Tungsten-Point-Cathode Electron Gun Using Electron Bombardment for Cathode Tip Heating: Cathode Life and Operating Characteristics at Cathode Temperatures above 2,800 K

Author: Iiyoshi Ryo   Maruse Susumu  

Publisher: Oxford University Press

ISSN: 0022-0744

Source: Journal of Electron Microscopy, Vol.45, Iss.2, 1996-03, pp. : 128-134

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