A Parallel Filament Lateral Arc Source Unit
the arc could only take up one position in the arc chamber,
an intense arc close to the extraction slit would be produced,
the magnetic field due to the filament and the source magnet field would produce a resultant spiral field around the filament and so give a very long electron path.
KeywordsSource Unit Electron Reflector Oven Heater Electron Path Tantalum Foil
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- 1.McIlroy, R. W., J. H. Freeman, and K. J. Hill, p. 155. Present volume Recent Modifications to Hermes.Google Scholar