Gas discharge tube

Details Gas discharge tube Gas discharge tube

1995-07-13

1996-12-24

O'Shea, Sandra L.

Electric lamp and discharge devices

With gas or vapor

Having electrode shield

313239, H01J 1702

Patent

active

055876250

ABSTRACT:
The present invention is to provide a gas discharge tube having a long service life and capable of an operational stability during long-time continuous light emission. The gas discharge tube includes an envelop for accommodating a hot cathode for emitting thermoelectrons, an anode plate for receiving the thermoelectrons, a focusing electrode having a focusing opening for converging a path of the thermoelectrons, and a discharge shielding member of an insulator having a through hole coaxially arranged with an inner diameter larger than the focusing opening, and a support member having projections efficiently gripping the anode plate with the discharge shielding member so as to increase the heat radiation efficiency of the anode plate.

REFERENCES:
patent: 5552669 (1996-09-01), Ikedo

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