Mechanism of dc Electrical Breakdown between Extended Electrodes in Vacuum
作者： D. Kenneth Davies , Manfred A. Biondi
DOI: 10.1063/1.1660690
关键词: Cathode 、 Analytical chemistry 、 Electrode 、 Electrical breakdown 、 Electron avalanche 、 Chemistry 、 Evaporation 、 Electric field 、 Atomic physics 、 Avalanche breakdown 、 Anode
摘要: A description is given of vacuum breakdown between extended copper electrodes in dc electric fields in terms of the relevant atomic‐collision processes. The theory is based on a model involving avalanche amplification of current in electrode vapor generated by the evaporation of an anode macroparticle during its transit to the cathode. Calculations are presented of the dynamics, heating, and evaporation of the macroparticle leading to the production of the vapor medium in the interelectrode gap. The inferred copper vapor density …
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