Multicusp negative ion source
- 1 June 1980
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 51 (6), 721-727
- https://doi.org/10.1063/1.1136302
Abstract
The characteristics of a steady state, surface conversion, multiline‐cusp negative ion source have been investigated for the production of high‐energy neutral beams. With the presence of cesium, this source has been operated at a neutral pressure of 1×10−3 Torr to generate a H− ion current greater than 400 mA. The percentage of impurities in the self‐extracted negative ion beam has been analyzed by a mass spectrometer. A technique for reducing the background electron density at the source exit is also presented.Keywords
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