Cold cathode discharge device with grid control

Details Cold cathode discharge device with grid control Cold cathode discharge device with grid control

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

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