Thermionic electron source

Details Thermionic electron source Thermionic electron source

2011-07-19

2011-07-19

Ton, Toan (Department: 2889)

Electric lamp and discharge devices

Discharge devices having a thermionic or emissive cathode

C313S495000

Reexamination Certificate

active

07982382

ABSTRACT:
A thermionic electron source includes a substrate, at least two electrodes, and a thermionic emitter. The electrodes are electrically connected to the thermionic emitter. The thermionic emitter has a film structure. Wherein there a space is defined between the thermionic emitter and the substrate.

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

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