Title :
High current density, reservoir cathodes for high frequency applications
Author :
Ives, R.Lawrence ; Falce, Louis R. ; Collins, George ; Marsden, David ; Miram, George ; Schwartzkopf, Steve ; Smith, Bryan
Author_Institution :
Calabazas Creek Res., San Mateo, CA, USA
Abstract :
Sintered tungsten wire, reservoir cathodes offer high current density operation with very long life time. The diffusion rate can be selected consistent with the current emission density. This presentation will describe the impact of this technology and present the latest test results.
Keywords :
cathodes; sintering; current density operation; current emission density; diffusion rate; high frequency application; reservoir cathode; sintered tungsten wire; Barium; Cathodes; Current density; Optical surface waves; Reservoirs; Tungsten; Wire;
Conference_Titel :
Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010 35th International Conference on
Conference_Location :
Rome
Print_ISBN :
978-1-4244-6655-9
DOI :
10.1109/ICIMW.2010.5613042