Thermal electron emitter and thermal electron emission...

Details Thermal electron emitter and thermal electron emission... Thermal electron emitter and thermal electron emission...

2009-03-12

2011-12-27

Roy, Sikha (Department: 2879)

Electric lamp and discharge devices

Discharge devices having a thermionic or emissive cathode

C313S311000, C445S050000, C445S051000, C423S447100, C423S447300

Reexamination Certificate

active

08084927

ABSTRACT:
A thermal electron emitter includes at least one carbon nanotube twisted wire and a plurality of electron emission particles mixed with the twisted wire. The carbon nanotube twisted wire comprises a plurality of carbon nanotubes. A work function of the electron emission particles is lower than the work function of the carbon nanotubes. A thermal electron emission device using the thermal electron emitter is also related.

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patent: 101465254 (2009-06-01), None

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