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Influence of a current jump on vacuum arc parameters
1999 / IEEE
This item was taken from the IEEE Periodical ' Influence of a current jump on vacuum arc parameters ' Based on time of flight method, influence of short time vacuum arc current jump on arc plasma parameters were investigated. Superposition of the current pulse of a vacuum arc with a high operating voltage results in the appearance of ions of higher charge state in the discharge plasma and in an increase in the mean ion charge state for most of the cathode materials used in the experiment. The method of a ""short-time current jump"" can be also used to investigate the parameters of a vacuum arc, in particular to estimate the ion direct velocities in vacuum arc plasmas. Our estimates show that in the presence of a current step the ion velocities are almost identical for all differently charged ions and depend only on the peak current and the ion mass.
Vacuum Arc Parameters
Time Of Flight Mass Spectroscopy
Short Time Vacuum Arc Current Jump
Arc Plasma Parameters
Charge State Distribution
Short-time Current Jump
Ion Direct Velocities
Plasma Materials Processing
Plasma Transport Processes
Time Of Flight Mass Spectra
Engineered Materials, Dielectrics And Plasmas
High Operating Voltage