IEEJ Transactions on Industry Applications
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
Paper
Impacts of Drift-Region Thickness of Static Induction Rectifier on its Electrical Characteristics
Koji YanoMasanobu Kasuga
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2004 Volume 124 Issue 9 Pages 956-961

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Abstract

Impacts of drift-region thickness of the static induction rectifier on its electrical characteristics were investigated by semiconductor simulations. The decrease of the drift-region thickness, which changes the carrier distribution during the on-state from the pin-like distribution to the BSIT-like one, reduces the stored charge on the anode side. Therefore, as the acceptor dosage in the channel region is decreased, the rectifier having the thin drift region operates with a high switching speed and low forward voltage drop. An oscillation phenomenon in a voltage waveform during the recovery process is related to the drift region thickness.

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© 2004 by the Institute of Electrical Engineers of Japan
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