Thyratron having anode with low work function material

Details Thyratron having anode with low work function material Thyratron having anode with low work function material

1980-05-14

1982-10-26

Demeo, Palmer C.

Electric lamp and discharge devices

With magnetic device

Field transverse to discharge

313211, 313218, H01J 1710

Patent

active

043564267

ABSTRACT:
The invention concerns thyratrons and in particular thyratrons which are required to be able to conduct protectively in a reverse direction. In order to assist in such reverse conduction an electrode which at such times acts as a cathode e.g. a conventional anode is formed or includes material of low work function such as tungsten impregnated with barium aluminate. Where the electrode in question is a plate anode the disc or plate is itself formed of the low work function material. Where the anode is a so-called hollow anode material of low work function may be introduced within the interior of the hollow anode. Where the anode electrode is in the well known form of an inverted cup material of low work function may be provided as a layer on the surface thereof facing the cathode.

REFERENCES:
patent: 3110834 (1963-11-01), Schneider et al.
patent: 3244925 (1966-04-01), Baker et al.
patent: 3479549 (1969-11-01), Baker
patent: 3898518 (1975-08-01), Menown et al.
patent: 4097762 (1978-06-01), Hilton et al.

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