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Spindt-type cathodes with aligned carbon nanotube emitters

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6 Author(s)
Ding, M.Q. ; Vacuum Electron. Res. Inst., Nat. Lab. for High-power Vacuum Electron., Beijing, China ; Xinghui Li ; Bai, Guodong ; Jinjun Feng
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Two kinds of Spindt-type cathode arrays with vertically aligned carbon nanotubes (CNTs) emitters were fabricated. One process involved direct growth of CNTs from the bottom of each micro-cell and the other process was to grow CNTs on Mo tips in Spindt-type cathode arrays. The former had fairly good consistent emitters with a number of CNTs, whereas the latter showed a few or single CNTs in micro-sized cells could be formed.

Published in:

Vacuum Electron Sources Conference, 2004. Proceedings. IVESC 2004. The 5th International

Date of Conference:

6-10 Sept. 2004