Method for making thermal electron emitter

Details Method for making thermal electron emitter Method for making thermal electron emitter

2009-03-12

2011-12-06

Won, Bumsuk (Department: 2889)

Electric lamp or space discharge component or device manufacturi

Process

Electrode making

C445S050000, C445S051000, C313S310000

Reexamination Certificate

active

08070548

ABSTRACT:
A method for making the thermal electron emitter includes following steps. Providing a carbon nanotube film including a plurality of carbon nanotubes. Treating the carbon nanotube film with a solution comprising of a solvent and compound or a precursor of a compound, wherein the compound and the compound that is the basis of the precursor of a compound has a work function that is lower than the carbon nanotubes. Twisting the treated carbon nanotube film to form a carbon nanotube twisted wire. Drying the carbon nanotube twisted wire. Activating the carbon nanotube twisted wire.

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

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