Control plate for a flat plasma screen

Details Control plate for a flat plasma screen Control plate for a flat plasma screen

1979-10-05

1982-05-11

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

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

For plural electrodes of discharge device

313491, 313492, 313506, 313355, H01J 188, H01J 1942

Patent

active

043296173

ABSTRACT:
A control plate for a flat plasma screen, comprising a carrier plate of multi-layer construction, having at least three layers, the middle layer of which is of metal and the outer layers of which are glass. In the manufacture of the control apertures which extend through the control plate, an etching procedure may be employed, involving a series of etching steps with different etching agents, whereby only slight underetchings arise and the control plate maintains sufficient mechanical stability, even with a medium overall thickness. The manufacture of the control apertures may also be effected by a laser-boring operation or the like, in which the metallic middle layer carries off heat developed during the operation, whereby no thermal fissure formations are created.

REFERENCES:
patent: 3744247 (1973-07-01), Margosian et al.
patent: 3753022 (1973-08-01), Fraser et al.
patent: 3755704 (1973-08-01), Spindt et al.
patent: 4066923 (1978-01-01), Van Esdonk
patent: 4112329 (1979-09-01), Veith
patent: 4160191 (1979-07-01), Hausfeld
patent: 4213072 (1980-07-01), Veith et al.

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