Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode
Reexamination Certificate
2005-11-14
2010-06-01
Won, Bumsuk (Department: 2889)
Electric lamp and discharge devices
Discharge devices having a thermionic or emissive cathode
C313S311000, C313S495000
Reexamination Certificate
active
07728497
ABSTRACT:
Provided are a carbon nanotube in which a difference between a thermal decomposition initiation temperature and a thermal decomposition termination temperature is less than or equal to approximately 250° C., an electron emission source including the carbon nanotube, and an electron emission device including the electron emission source.
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Chinese Certificate of Patent For Invention Cert. No. 584423 dated Dec. 30, 2009, issued for Patent #ZL200510023021.6, which corresponds to this application (#11272057).
H.C. Park & Associates PLC
Samsung SDI & Co., Ltd.
Won Bumsuk
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