DocumentCode
3180105
Title
An Improved Field Emitter Array Electron Gun for TWT
Author
Li, Xinghui ; Bai, Guodong ; Cai, Shaolun ; Li, Hanyang ; Zhang, Jian ; Ding, Mingqing ; Zhang, Fuquan ; Feng, Jinjun ; Liao, Fujiang
Author_Institution
Beijing Vacuum Electron. Res. Inst., Beijing
fYear
2007
fDate
15-17 May 2007
Firstpage
1
Lastpage
2
Abstract
We had met some problems in the research on field emitter array electron gun for TWT. An improved FEA electron gun was designed to overcome these problems. The electron beam trajectory simulation for this gun shows a good transmission characteristic, which can lessen the outgassing from the electrode surfaces. Vacuum baking process and activating process for the FEA were carried out to ensure good electron gun performances.
Keywords
electron guns; field emitter arrays; travelling wave tubes; TWT; activating process; electrode surfaces; electron beam trajectory simulation; field emitter array electron gun; vacuum baking process; Arc discharges; Cathodes; Electrodes; Electron beams; Electron emission; Electron guns; Fabrication; Field emitter arrays; Surface discharges; Welding; TWT; activating process; field emitter array; trajectory simulation; vacuum baking process;
fLanguage
English
Publisher
ieee
Conference_Titel
Vacuum Electronics Conference, 2007. IVEC '07. IEEE International
Conference_Location
Kitakyushu
Print_ISBN
1-4244-0633-1
Type
conf
DOI
10.1109/IVELEC.2007.4283352
Filename
4283352
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