Wire-mesh cathode
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United States of America Patent
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Feb 4, 1997
Issued Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Mar 16, 1992
priority date (Note) -
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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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