Another cause of vacuum insulation electrical strength decrease following the bakeout of metal-insulation electrode system

Nina V. Tatarinova

doi:10.1117/12.174568

1 May 1994 Another cause of vacuum insulation electrical strength decrease following the bakeout of metal-insulation electrode system

Nina V. Tatarinova

Author Affiliations +

Proceedings Volume 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum; (1994) https://doi.org/10.1117/12.174568
Event: XVI International Symposium on Discharges and Electrical Insulation in Vacuum, 1994, Moscow-St. Petersburg, Russian Federation

Abstract

The cause of pre-breakdown currents appearing between metal electrodes copper soldered with ceramics after bakeout in vacuum up to 200...440 degree(s)C was established. Quest for it was conducted from the viewpoint of a hypothesis suggested by an author earlier on vacuum insulation violation. `Triple point'--metal-insulator contact in vacuum--is referred to as a pore in the gas medium of which ionization process resulting in various kinds of vacuum insulation violation develop. Experimental results confirm the hypothesis suggested.

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Nina V. Tatarinova "Another cause of vacuum insulation electrical strength decrease following the bakeout of metal-insulation electrode system", Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); https://doi.org/10.1117/12.174568

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