Twenty-five years of progress in vacuum arc research and utilization

@inproceedings{Boxman1997TwentyfiveYO,
  title={Twenty-five years of progress in vacuum arc research and utilization},
  author={Raymond L. Boxman and Samuel Goldsmith and Annie Pike Greenwood},
  year={1997}
}
Progress in understanding and applying vacuum arcs is reviewed. Laser diagnostics have demonstrated the existence of micron-sized regions in the cathode spot plasma having electron densities exceeding 10/sup 26/ m/sup -3/. The expanding plasma produces a highly ionized jet whose ions typically have charge states of 1-3 and energies of 50-150 eV. Gas dynamic and explosive emission models have been formulated to explain cathode spot operation. In cases where the arc is constricted at the anode… CONTINUE READING

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