Surface trapping of primary electrons by multidipole magnetic fields
- 1 January 1980
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 51 (1) , 64-69
- https://doi.org/10.1063/1.1136020
Abstract
Multidipole plasma devices are operated in an unconventional manner with primary electrons prevented by surface magnetic fields from entering the main plasma volume. Applications of this technique, to provide primary electron‐free unmagnetized plasmas and to furnish a source for a large diameter magnetized plasma column, are given.Keywords
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