Ion current distribution within a toroidal duct of a filtered vacuum arc deposition system

V. N. Zhitomirsky, R. Boxman, S. Goldsmith

Research output: Contribution to conferencePaperpeer-review

Abstract

The ion current in various cross-sections of the toroidal duct was measured. Also the distribution of ion current loss was studied using a 8-segment hollow cylindrical multi-probe, where the individual probes were equally distributed on the circumference of a 130 mm diam circle. It was shown that: (1) the ratio of ion currents collected on the cylindrical and disc probes at first decreases with increasing the toroidal field, and then becomes approximately constant; (2) the presence of the large-diameter disc probe does not influence the value of the ion current on the cylindrical probe; and (3) the maximum ion current density near the torus walls is located in the +g direction and displaces in the -(Bxg) direction with increasing the toroidal field, where g and B are the vectors of the centrifugal acceleration and the magnetic field respectively.

Original languageEnglish
Pages927-931
Number of pages5
StatePublished - 1996
EventProceedings of the 1996 17th International Symposium on Discharges and Electrical Insulation in Vacuum, ISDEIV. Part 1 (of 2) - Berkeley, CA, USA
Duration: 21 Jul 199626 Jul 1996

Conference

ConferenceProceedings of the 1996 17th International Symposium on Discharges and Electrical Insulation in Vacuum, ISDEIV. Part 1 (of 2)
CityBerkeley, CA, USA
Period21/07/9626/07/96

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