Title :
CNT cold cathode with side-gate electrode for flat panel X-ray source
Author :
Nitta, Satya ; Okawaki, Shuhei ; Abo, Satoshi ; Wakaya, Fujio ; Takai, Mineo
Author_Institution :
Center for Quantum Sci. & Technol. under Extreme Conditions, Osaka Univ., Toyonaka, Japan
Abstract :
A carbon nanotube (CNT) cold cathode with a side-gate electrode for a flat panel X-ray source was developed and basic characteristics of the CNT cathode with surface treatments were evaluated. The CNT cathode treated by KrF excimer laser irradiation with a high electric field pulse aging showed the best performance concerning long lifetime, while the CNT cathode treated by tape peeling method without a high electric field pulse aging showed the best performance concerning high anode current. Observed anode current at 4 kV is comparable with some of the commercially available X-ray tubes, suggesting that the CNT cathode with side-gate electrodes can be used for an electron source for a flat panel X-ray source.
Keywords :
carbon nanotubes; cathodes; excimer lasers; surface treatment; CNT cold cathode; KrF excimer laser irradiation; anode current; carbon nanotube; electric field pulse aging; electron source; flat panel X-ray source; side-gate electrode; surface treatment; tape peeling method; voltage 4 kV; Anodes; Cathodes; Logic gates; Substrates; Surface treatment; carbon nanotube (CNT); flat panel X-ray source; screen printing; side-gate; surface treatment;
Conference_Titel :
Vacuum Nanoelectronics Conference (IVNC), 2013 26th International
Conference_Location :
Roanoke, VA
DOI :
10.1109/IVNC.2013.6624711
