Low work function material
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United States of America Patent
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N/A
Issued Date -
Nov 11, 2004
app pub date -
Jun 2, 2004
filing date -
Dec 8, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A cathode includes a carbon nanotube layer, which is optimized with a low work function material, such as an alkali. The inclusion of the alkali material improves the field emission properties of the carbon nanotube layer.
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