Electric lamp and discharge devices – Cathode ray tube – Beam deflecting means
Patent
1995-07-20
1997-03-25
O'Shea, Sandra L.
Electric lamp and discharge devices
Cathode ray tube
Beam deflecting means
313495, 313292, H01J 1944
Patent
active
056147813
ABSTRACT:
According to the invention, a flat panel device includes a spacer for providing internal support. In one embodiment, the spacer is made of ceramic, glass-ceramic, ceramic reinforced glass, devitrified glass, metal with electrically insulative coating or high-temperature vacuum-compatible polyimide, and can be a spacer wall, a spacer structure including a plurality of holes, or some combination of a spacer wall, spacer walls, and spacer structure. Spacer surfaces are treated to reduce secondary emissions and prevent charging of the spacer surfaces. The flat panel device can include a thermionic cathode or a field emitter cathode, and the faceplate and backplate can both be straight or both be curved. The flat panel device can include an addressing grid.
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Fahlen Theodore S.
Lovoi Paul A.
Morris David L.
Schmid Anthony P.
Spindt Christopher J.
Candescent Technologies Corporation
Hoffman E. Eric
Meetin Ronald J.
O'Shea Sandra L.
Patel Ashok
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