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Advance in dispenser cathodes materials of high emission property

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4 Author(s)
Chunying Shen ; Coll. of Mater. Sci. & Eng., Nanjing Univ. of Technol., China ; Tai Qiu ; Xiaoyun Li ; Xiang Gao

More and more attention has been paid to cathode materials at home and abroad which are the key parts of microwave tubes. The recent advances in porous tungsten matrix with high emission density, impregnant composition and surface properties are presented.

Published in:

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

Date of Conference:

6-10 Sept. 2004