Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode
Patent
1995-03-27
1997-07-08
Patel, Nimeshkumar
Electric lamp and discharge devices
Discharge devices having a thermionic or emissive cathode
313309, 313311, 313336, 313351, H01J 1924, H01J 105
Patent
active
056464746
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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"Epitaxial growth of diamond thin films on cubic boron nitride surfaces by dc plasma chemical vapor deposition" by S. Koizumi, T. Murakami and T. Inuzuka, 1990 American Institute of Physics, Appl. Phys. Lett. , 6 Aug. 1990.
Patel Nimeshkumar
Wayne State University
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