DocumentCode
1499255
Title
Advanced Dispenser Cathodes
Author
Ives, R. Lawrence ; Falce, Louis R. ; Miram, George ; Collins, George
Author_Institution
Calabazas Creek Res., Inc., San Mateo, CA, USA
Volume
40
Issue
5
fYear
2012
fDate
5/1/2012 12:00:00 AM
Firstpage
1299
Lastpage
1302
Abstract
Controlled porosity reservoir cathodes offer significantly improved performance over conventional impregnated cathodes. Optimized performance requires additional design to achieve reduced barium deposition on adjacent surfaces, increased lifetime, and high current density emission. This paper describes the achievable performance and the associated design requirements.
Keywords
barium; current density; plasma transport processes; porosity; thermionic cathodes; Ba; current density emission; dispenser cathodes; porosity reservoir cathodes; Barium; Cathodes; Current density; Materials; Reservoirs; Tungsten; Wires; Cathodes; controlled porosity; dispenser cathode; electron guns;
fLanguage
English
Journal_Title
Plasma Science, IEEE Transactions on
Publisher
ieee
ISSN
0093-3813
Type
jour
DOI
10.1109/TPS.2011.2174386
Filename
6186833
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