Gas discharge display device with protected dielectric

Details Gas discharge display device with protected dielectric Gas discharge display device with protected dielectric

1975-03-21

1978-05-16

Rolinec, Rudolph V.

Electric lamp and discharge devices

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

For plural electrodes of discharge device

313174, 313211, H01J 6130

Patent

active

040901009

ABSTRACT:
There is disclosed a gaseous discharge display device having a plurality of gaseous discharge sites and at least one active, working dielectric surface exposed to the gas discharge at each discharge site. The active gas contacting dielectric surface is coated with a protective film in an amount sufficient to prevent the formation of undesirable contaminants on the active dielectric surface, particularly during the manufacture of the device. After the complete assembly and gas filling of the device, the protective film is removed from the vicinity of each gas discharge site by the application of a gas discharge voltage at the site sufficient to sputter the protective film away from the discharge site without sputtering the active dielectric surface.

REFERENCES:
patent: 3863089 (1975-01-01), Ernsthausen et al.
patent: 3896323 (1975-07-01), Ernsthausen
patent: 3904906 (1975-09-01), Osawa et al.
patent: 3919577 (1975-11-01), Hoehn et al.
Aboelfotoh, "IBM Technical Disclosure Bulletin", Mar. 1975, pp. 2953-2954.

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