Boron nitride cold cathode

Details Boron nitride cold cathode Boron nitride cold cathode

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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"Epitaxial growth of diamond thin films on cubic boron nitride surfaces by dc plasma chemical vapor deposition" by S. Koizuml et al.
American Institute of Physics, Appl. Phys. Lett., Aug. 6, 1990.

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