Field electron emission source having carbon nanotubes and...

Details Field electron emission source having carbon nanotubes and... Field electron emission source having carbon nanotubes and...

2008-07-24

2011-12-06

Williams, Joseph L (Department: 2889)

Electric lamp and discharge devices

Discharge devices having a thermionic or emissive cathode

C313S309000, C313S311000, C445S023000, C445S024000, C445S025000

Reexamination Certificate

active

08072126

ABSTRACT:
An exemplary method for manufacturing a field electron emission source includes: providing a substrate (102); depositing a cathode layer (104) on a surface of the substrate; providing a carbon nanotube paste, coating the carbon nanotube paste on the cathode layer; calcining the carbon nanotube paste to form a carbon nanotube composite layer (110); and, irradiating the carbon nanotube composite layer with a laser beam of a certain power density, thereby achieving a field electron emission source.

REFERENCES:
patent: 6239547 (2001-05-01), Uemura et al.
patent: 6733355 (2004-05-01), Hwang et al.
patent: 7537505 (2009-05-01), Shiroishi et al.
patent: 2003/0117065 (2003-06-01), Okai et al.
patent: P2000-36243 (2000-02-01), None

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