High-current-density gun with a LaB[sub 6] cathode

Ebihara, K.; Hiramatsu, S.
August 1996
Review of Scientific Instruments;Aug1996, Vol. 67 Issue 8, p2765
Academic Journal
Discusses a gun assembly heated to high temperature and a cathode heating system using electron bombardment and radiation from a heater. Results of the high-voltage operation of the gun; Examination of a prototype of a Pierce-type electron gun using planar 12-millimeter-diam lanthanum hexaboride as a thermionic emitter at high current densities.


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