Title :
KrF laser surface treatment of CNT cathodes
Author :
Honda, T. ; Rochanachirapar, W. ; Murakami, K. ; Ohsumi, K. ; Shimizu, N. ; Abo, S. ; Wakaya, F. ; Takai, M.
Author_Institution :
Res. Center for Mater. Sci. at Extreme Conditions, Osaka Univ., Japan
Abstract :
Carbon nanotube (CNT) cathodes prepared with various pastes are irradiated by KrF laser light with different power densities and homogenous spot beam. The turn-on field is lowest with the homogeneous spot beam. The characteristics are improved greatly by adding glass fillers to the paste. The turn-on field is as low as 0.34 V/μm and the emission density is as high as 5.88 mA/cm2 at a field of 2 V/μm by KrF laser irradiation. Homogeneous emission-site distribution could be obtained by a homogeneous laser beam irradiation.
Keywords :
carbon nanotubes; cathodes; field emission; laser beam effects; laser materials processing; surface treatment; 248 nm; 308 nm; C; KrF laser surface treatment; carbon nanotube cathodes; emission density; glass fillers; homogeneous emission-site distribution; homogenous spot beam; laser irradiation; laser power density; pastes; turn-on field; Carbon nanotubes; Cathodes; Flat panel displays; Glass; Large screen displays; Laser beams; Materials science and technology; Power lasers; Surface emitting lasers; Surface treatment;
Conference_Titel :
Vacuum Nanoelectronics Conference, 2005. IVNC 2005. Technical Digest of the 18th International
Print_ISBN :
0-7803-8397-4
DOI :
10.1109/IVNC.2005.1619605
