Method of producing discharge display device

Details Method of producing discharge display device Method of producing discharge display device

1985-04-11

1986-07-08

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 51, 313355, 313630, 427 77, 4271262, H01J 912

Patent

active

045990760

ABSTRACT:
The present invention discloses a method of producing a discharge display device which enables a LaB.sub.6 cathode to be formed by a thick-film printing method. The method of the present invention comprises the steps of applying a paste prepared by mixing LaB.sub.6 powder with alkali glass powder in a proportion of 20-40 wt. % with respect to the LaB.sub.6 powder to a base electrode, burning the paste, and activating the paste by gas discharge with large current after an exhaustion step to form a LaB.sub.6 cathode on the base electrode.

REFERENCES:
patent: 2172207 (1939-09-01), Kolligs et al.
patent: 4126809 (1978-11-01), Wedding et al.
patent: 4317750 (1982-03-01), Provance et al.
patent: 4393326 (1983-07-01), Kamegaya et al.
patent: 4429250 (1984-01-01), Clere et al.
patent: 4554482 (1985-11-01), Kamegaya et al.

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