상세정보
학술대회
Analysis of CNT Emitter-Based Miniature X-Ray Tubes for Stable and Reliable Operation
- 발행일
- 201307
- 출처
- International Vacuum Nanoelectronics Conference (IVNC) 2013, pp.1-2
- 협약과제
- 13IE1200, 세기 조절 마이크로 포커스 멀티엑스선원 기술 개발, 송윤호
- 초록
- We analyzed the failure mechanism in miniature X-ray tubes with a gated carbon nanotube (CNT) field emitter. The miniature X-ray tube even with a small leakage current of field emission from the CNT emitters to the gate electrode has some distortion of the electron beam trajectory from the cathode to anode passage, causing a charging at insulating parts. The charging at the insulator spacer would lead to an arcing or coupling of the anode and gate electrodes, resulting in a very unstable operation and finally a fatal failure. © 2013 IEEE.
- KSP 제안 키워드
- AND gate, Carbon nano-tube(CNT), Electron beam trajectory, Failure mechanism, Leakage current, Miniature X-ray tube, Small leakage, field emission, field emitter, gate electrode