US Patent:
20010024078, Sep 27, 2001
Inventors:
Stevan Dimitrijevic - Tucson AZ, US
James Withers - Tucson AZ, US
Raouf Loutfy - Tucson AZ, US
Assignee:
FULLERENE INTERNATIONAL CORPORATION - TUCSON AZ
International Classification:
H01J001/05
H01J001/62
US Classification:
313/311000, 313/310000, 313/495000
Abstract:
The present invention is directed to a nanotube coated with diamond or diamond-like carbon, a field emitter cathode comprising same, and a field emitter comprising the cathode. It is also directed to a method of preventing the evaporation of carbon from a field emitter comprising a cathode comprised of nanotubes by coating the nanotube with diamond or diamond-like carbon. In another aspect, the present invention is directed to a method of preventing the evaporation of carbon from an electron field emitter comprising a cathode comprised of nanotubes, which method comprises coating the nanotubes with diamond or diamond-like carbon.