Cold-cathode gas-discharge device

Details Cold-cathode gas-discharge device Cold-cathode gas-discharge device

1975-07-31

1976-11-02

Demeo, Palmer C.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For plural electrodes of discharge device

313209, 313217, 313218, 317 62, H01J 146, H01J 1704, H01J 1712

Patent

active

039899730

ABSTRACT:
This invention provides a cold-cathode gas-discharge tube comprising a gas-tight, electrical-insulating housing, a control cathode attached to and surrounding the outside of the gas-tight housing, two spaced main electrodes symmetrically mounted in the housing with their frontal surfaces facing each other, metallic rings attached to the frontal surfaces of both main electrodes, and layers of an activating material adhered to the frontal surfaces of both main electrodes within the metallic rings, whereby the main electrodes become in effect hollow electrodes.

REFERENCES:
patent: 2152998 (1939-04-01), Kelting
patent: 2228327 (1941-01-01), Spanner
patent: 2249672 (1941-07-01), Spanner
patent: 2487437 (1949-11-01), Goldstein et al.
patent: 2914695 (1959-11-01), Meyer, Jr. et al.
patent: 2951171 (1960-08-01), Holmes
patent: 3564473 (1971-02-01), Kawiecki
patent: 3588576 (1971-06-01), Kawiecki
patent: 3619699 (1971-11-01), White

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