Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Patent
1980-10-01
1983-06-14
Segal, Robert
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
313584, H01J 6108, H01J 6130
Patent
active
043885500
ABSTRACT:
In a gas discharge display panel, a plurality of gas discharge cells are arranged between a plurality of display anode conductors and a cathode conductor. The cathode conductor is formed of hollow cathodes having cavities with apertures facing the display anode conductors. The hollow cathodes widen from the apertures on the side remote from the display anode conductors up to a transverse dimension a and extend in a direction from the anode conductors to a depth b with the transverse dimension a being at least three times the depth b. In this manner, the cavities of the hollow cathodes extend substantially parallel to the cathode conductor, and in addition, can be manufactured in a simple manner.
REFERENCES:
patent: 3662214 (1972-05-01), Lustig
patent: 3700946 (1972-10-01), Caras
patent: 3701918 (1972-10-01), Allen et al.
patent: 3766420 (1973-10-01), Ogle et al.
Miller Paul R.
Segal Robert
U.S. Philips Corporation
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