Pierce-Type Electron Gun with a Large Concave LaB6 Cathode
- 1 February 1981
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 20 (2)
- https://doi.org/10.1143/jjap.20.341
Abstract
A Pierce-type electron gun with a concave cathode of lanthanum hexaboride (LaB6) 30 mm in diameter is described. At an accelerating voltage of 3 kV and a cathode temperature of 1340°C, a focussed electron beam of DC 300 mA was obtained.Keywords
This publication has 2 references indexed in Scilit:
- Lanthanum Hexaboride Electron EmitterJournal of Applied Physics, 1972
- Boride CathodesJournal of Applied Physics, 1951