DocumentCode
2900630
Title
Advance in dispenser cathodes materials of high emission property
Author
Shen, Chunying ; Qiu, Tai ; Li, Xiaoyun ; Gao, Xiang
Author_Institution
Coll. of Mater. Sci. & Eng., Nanjing Univ. of Technol., China
fYear
2004
fDate
6-10 Sept. 2004
Firstpage
199
Lastpage
201
Abstract
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.
Keywords
microwave tubes; thermionic cathodes; thermionic emission; tungsten; dispenser cathodes; high emission property; impregnant composition; microwave tubes; porous tungsten matrix; Cathode ray tubes; Current density; Manufacturing; Materials science and technology; Powders; Reservoirs; Shape; Surface emitting lasers; Surface morphology; Tungsten;
fLanguage
English
Publisher
ieee
Conference_Titel
Vacuum Electron Sources Conference, 2004. Proceedings. IVESC 2004. The 5th International
Print_ISBN
0-7803-8437-7
Type
conf
DOI
10.1109/IVESC.2004.1414194
Filename
1414194
Link To Document