A Compact High-Voltage Pulse Generator for Plasma Applications |
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| Authors: | VA Spassov J Barroso M Ueda L Guerguiev |
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| Institution: | (1) Associated Plasma Laboratory (LAP), National Institute for Space Research (INPE), P.O. Box 515, 12201-970 Sao Jose dos Campos, S.P., Brazil;(2) Wayne State University, 3832 Eldridge, Detroit, MI, 48212, U.S.A |
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| Abstract: | The design and construction of a compact high-voltage pulse generator for providing input electron beam power for the LAP/INPE 32 GHz gyrotron and for treatment of metal and polymer materials by plasma immersion ion implantation (PIII) are described. The generator was built on a circuit category of Pulse Forming Network (PFN), consisting of nine LC sections with L = 270  H and C = 2.5 nF.The instrument was designed to produce a flat 30 kV, several Amps pulse in 15 s pulse length with pulse repetition frequency (PRF) of 8 to 100 Hz. By means of a resonant charging inductance it is possible to gain an output voltage with a factor of 1.8 higher than the voltage supplied by the pulse generator. The generator is fed with sine-wave, constant current source, and a 60 kV, 15 mA switching power supply. |
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