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Conference Paper
Brightness of Electron Beam from a Small Carbon Nanotube Emitter Fabricated using the Probe Contact Method
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- Authors
- Min-Sik Shin, Young Chul Choi, Jun-Tae Kang, Hyojin Jeon, Jae-Woo Kim, Sora Park, Sungyoul Choi, Jin-Woo Jeong, Ji-Hwan Yeon, Seungjoon Ahn, Yoon-Ho Song
- Issue Date
- 2015-04
- Citation
- International Vacuum Electronics Conference (IVEC) 2015, pp.1-2
- Language
- English
- Type
- Conference Paper
- Abstract
- A novel method for fabricating a small-sized carbon nanotube (CNT) emitter was developed. The emitter was fabricated by contacting the tungsten probe covered with CNT paste to the surface of Kovar rod, and then the brightness of electron beam generated from the CNT paste emitter was measured. We obtained the virtual source size of 1.13 × 10-10 m2 and the brightness of 1.2 × 107 A m-2sr-1 at an applied voltage of 3,100 V.
- KSP Keywords
- CNT paste, Carbon nano-tube(CNT), Carbon nanotube emitters, Electron beam, Small-sized, Tungsten probe, applied voltage, novel method, probe contact method, virtual source size