Thermionic electron source

Details Thermionic electron source Thermionic electron source

2011-03-29

2011-03-29

Patel, Vip (Department: 2889)

Electric lamp and discharge devices

Discharge devices having a thermionic or emissive cathode

C313S34600R

Reexamination Certificate

active

07915797

ABSTRACT:
A thermionic electron source includes a substrate, two electrodes, and a thermionic emitter. The thermionic emitter is electrically connected to the two electrodes. The substrate has a recess formed on a surface thereof, and the thermionic emitter is located on the surface of the substrate corresponding to the recess.

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Cox et al., Themionix emission from defective carbon nanotubes, Applied Physics Letter, Sep. 13, 2004, 2065-2067, vol. 85, No. 11.

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