Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode
Patent
1997-06-25
2000-05-30
Patel, Ashok
Electric lamp and discharge devices
Discharge devices having a thermionic or emissive cathode
313309, 313311, 313336, 313351, H01J 1924
Patent
active
06069436&
ABSTRACT:
A cold cathode is formed of n-type boron nitride. The cathode may include a layer of diamond underlying the boron nitride. The cathodes are made by laser ablation or by sputtering. Electronic devices utilizing the boron nitride cathodes are also described.
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Patel Ashok
Wayne State University
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