Electric lamp and discharge devices: systems – Discharge device load – Electromagnetic influenced discharge device
Patent
1979-06-04
1981-01-27
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
Discharge device load
Electromagnetic influenced discharge device
313161, 313162, 315338, H01J 1502, H01J 1714
Patent
active
042478049
ABSTRACT:
A cross-field discharge plasma is used to supply charge carriers for a grid controlled cold cathode discharge device. A dc magnetic field is employed to sustain the crossed-field discharge when the source grid is active. The device comprises an anode, a cathode, a source grid, and in alternate embodiments, additional control grids. Preferably the magnetic field exists only in the source grid-cathode space and penetrates only weakly, or not at all, into other electrode gaps or spaces. The source grid-cathode plasma is effectively a source of charge carriers, electrons or ions, controlled by the source grid current, the anode current being an approximate linear function of source grid current within limits, and/or controllable by adjustment of control grid potentials.
REFERENCES:
patent: 4034260 (1977-07-01), Lutz
patent: 4034261 (1977-07-01), Lutz et al.
patent: 4091310 (1978-05-01), Harvey
Dicke, Jr. Allen A.
Hughes Aircraft Company
LaRoche Eugene R.
MacAllister W. H.
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