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High-transmission Triode CNT Emitter on Metal Tip for Super-miniature X-ray Tube
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- Authors
- Jun-Tae Kang, Jae-Woo Kim, Jin-Woo Jeong, Sung Youl Choi, Hyeong-Rag Lee, Yoon-Ho Song
- Issue Date
- 2011-07
- Citation
- International Vacuum Nanoelectronics Conference (IVNC) 2011, pp.145-146
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- The CNT emitter on metal tip (CNT-on-Tip) cathode can provide high-brightness electron beams due to its point-like electron emission sites. The triode type emitter with a gate electrode is prerequisite to an intensity-controllable X-ray. We simulated the trajectory of the emitted electron beams in the triode CNT-on-Tip and optimized the configuration to obtain ideal triode properties. Consequently, the anode current-gate voltage characteristics were recorded with high transmission without any gate leakage current.
- KSP Keywords
- Electron Beam, Electron Emission, Gate leakage current, Gate voltage, High Brightness(HB), High Transmission, Metal tip, Miniature X-ray tube, Triode type emitter, Voltage characteristics, anode current