Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode
Patent
1994-10-31
1997-04-22
O'Shea, Sandra L.
Electric lamp and discharge devices
Discharge devices having a thermionic or emissive cathode
313309, 313311, 313336, 313497, 427 77, H01J 130
Patent
active
056231806
ABSTRACT:
The present invention provides methods and apparatus for making enhanced field emitters by coating particulate substrates with low voltage emissive material such as defect-rich diamond. These methods permit the advantageous, low-cost combination of low voltage emission with sharp-featured geometry.
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Jin Sung-ho
Kochanski Gregory P.
Zhu Wei
Books Glen E.
Esserman Matthew J.
Lucent Technologies - Inc.
O'Shea Sandra L.
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