The dependence of electron gun performance on filament material
- 1 September 1990
- journal article
- design note
- Published by IOP Publishing in Measurement Science and Technology
- Vol. 1 (9) , 983-985
- https://doi.org/10.1088/0957-0233/1/9/024
Abstract
A comparison of thoriated iridium, thoriated tungsten and tungsten filaments in a low energy, high resolution electron gun is investigated by the direct measurement of an atomic excitation cross section.Keywords
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- Rectilinear Electron Flow in BeamsJournal of Applied Physics, 1940