Design and use of controlled porosity reservoir cathodes

Sintered tungsten wire, reservoir cathodes offer high current density operation with very long life time and extremely uniform emission current. The cathodes, however, should be designed for the specific performance requirements of the device. This presentation provides information on performance ca...

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Hauptverfasser: Ives, R. L., Falce, L. R., Collins, G., Marsden, D., Miram, G., Jensen, K.
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creator Ives, R. L.
Falce, L. R.
Collins, G.
Marsden, D.
Miram, G.
Jensen, K.
description Sintered tungsten wire, reservoir cathodes offer high current density operation with very long life time and extremely uniform emission current. The cathodes, however, should be designed for the specific performance requirements of the device. This presentation provides information on performance capabilities and describes the design process.
doi_str_mv 10.1109/irmmw-THz.2011.6105060
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ispartof 2011 International Conference on Infrared, Millimeter, and Terahertz Waves, 2011, p.1-2
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Barium
Cathodes
Current density
Materials
Performance evaluation
Reservoirs
Surface treatment
title Design and use of controlled porosity reservoir cathodes
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