Active sintered controlled porosity dispenser (CPD) cathode
Vacuum Electron Sources Conference(2014)
摘要
CPD cathode, made out of tungsten wire, using active sintering resulted in uniform and two-fold emission as compared to B-type cathode. Studies on wire diameter using MATLAB code suggests that 20 μm diameter provides optimum barium coverage. Detailed experimental results will be presented.
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关键词
cathodes,porosity,sintering,active sintered controlled porosity dispenser cathode,two fold emission,uniform emission
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