Thick-film circuit device

Details Thick-film circuit device Thick-film circuit device

1978-11-07

1980-07-29

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313220, 313221, H01J 510, H01J 552, H01J 6302

Patent

active

042152909

ABSTRACT:
A thick-film circuit device having a substrate of insulating material containing alkali components, a first crossover made of non-alkali type glass and formed on the substrate, wiring conductors formed on the first crossover according to a predetermined circuit pattern, and a second crossover made of glass and formed on the first crossover so that it covers the wiring conductors, the first crossover preventing entry of sodium ions into the second crossover.

REFERENCES:
patent: 4023876 (1977-05-01), Fukunaga et al.
patent: 4100456 (1978-07-01), Kobayakawa et al.
"Flat--Package Indicator Tubes", by K. Donuma et al, Toshiba Review, No. 108, Mar.-Apr. 1977, pp. 21-24.

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