Method of producing discharge display device

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

1985-04-11

1986-07-15

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With start up, flashing or aging

445 24, 445 50, 427 77, 4271262, 313355, 313630, H01J 912

Patent

active

046003975

ABSTRACT:
The present invention discloses a method of producing a discharge display device which enables formation of a satisfactory LaB.sub.6 cathode without using a LaB.sub.6 paste containing a glass binder. The method of the present invention comprises the steps of applying a conductive paste containing a glass binder, temporarily drying said conductive paste to form a conductive paste layer, forming a LaB.sub.6 layer containing no glass binder on said conductive paste layer, burning said conductive paste layer and said LaB.sub.6 layer, at the same time, and activating said LaB.sub.6 layer after being burnt, and after an exhausting step by gas discharge with large current to form a LaB.sub.6 cathode.

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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