Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Reexamination Certificate
2005-10-18
2005-10-18
Williams, Joseph (Department: 2879)
Electric lamp and discharge devices
Electrode and shield structures
Cathodes containing and/or coated with electron emissive...
C313S311000
Reexamination Certificate
active
06956320
ABSTRACT:
A fast heating cathode comprises a layer of diamond, a thermionic emitting element in thermal contact with a surface of the diamond layer and means to heat the diamond layer.
REFERENCES:
patent: 4129801 (1978-12-01), Soeno et al.
patent: 5349264 (1994-09-01), Krings
patent: 2296371 (1996-06-01), None
Hall Clive Edward
Whitehead Andrew John
Wort Christopher John Howard
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