11.1: A reliable improved Spindt cathode design for high currents

  title={11.1: A reliable improved Spindt cathode design for high currents},
  author={Capp A. Spindt and Christopher E. Holland and Paul Schwoebel},
  journal={2010 IEEE International Vacuum Electronics Conference (IVEC)},
Recent work with Spindt cathodes has shown that past unreliable behavior has not been due to poor tip uniformity and the failure of over-achieving tips as has been widely believed. Rather the failures have been due to flashover along oxide walls in the cathode cavities. A new cavity architecture has solved the problem, and enabled greatly improved performance. 

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