Wire-mesh cathode

Details Wire-mesh cathode Wire-mesh cathode

1995-06-07

1997-02-04

Arana, Louis M.

Electric lamp and discharge devices

Electrode and shield structures

Cathodes containing and/or coated with electron emissive...

313343, 313345, 313333, 313304, 313310, 313357, 428368, H01J 130

Patent

active

056002009

ABSTRACT:
A field emission cathode for use in flat panel displays comprises a layer of conductive material and a layer of amorphic diamond film, functioning as a low effective work-function material, deposited over the conductive material to form emission sites. The emission sites each contain at least two sub-regions having differing electron affinities. The cathode may be used to form a computer screen or a fluorescent light source.

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