Electron source with magnetic means

Details Electron source with magnetic means Electron source with magnetic means

1988-07-20

1989-12-12

Wieder, Kenneth

Electric lamp and discharge devices

With magnetic device

313618, H01J 150

Patent

active

048869929

ABSTRACT:
The instant invention relates to an electron source which contains, in a low pressure chamber, an anode (A), a cathode (K) and means for applying a magnetic field (13). The cathode is constituted by an equipotential cavity (10) provided with an aperture (11) on the side of the anode. The magnetic field is applied parallel to the anode-cathode direction at the aperture.

REFERENCES:
patent: 3381157 (1968-04-01), Ferreira
patent: 4633129 (1986-12-01), Cuomo et al.

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