Electron source

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1975-07-14

1976-10-26

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313312, 313 17, 313 22, 313336, 313446, 313459, H01J 102

Patent

active

039886271

ABSTRACT:
A device for generating a high level electron current pulse includes a housing whose interior can be evacuated from outside the housing, a cathode electrode located in the housing and arranged to be connected to a high voltage generator, an anode electrode disposed in the housing in facing relation to the cathode electrode, the anode electrode having an opening aligned with the electron emission portion of the cathode electrode and being provided with a grid which covers this opening and which presents a high electron transmission level, the grid defining a plane with one face of the anode electrode, and the walls of the housing defining an annular space filled with a solution whose resistivity is a function of its concentration to give these walls a variable electrical resistance which can be adjusted to match the impedance of the cathode electrode - anode electrode system to that of the high voltage generator.

REFERENCES:
patent: 3388740 (1968-06-01), O'Loughlin
patent: 3489944 (1970-01-01), Denholm et al.
patent: 3706002 (1972-12-01), Miram et al.
patent: 3906280 (1975-09-01), Andelfinder et al.

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