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Junction-gate type static induction thyristor and high-voltage pulse generator using such junction-gate type static induction thyristor
Junction-gate type static induction thyristor and high-voltage pulse generator using such junction-gate type static induction thyristor
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机译:结栅型静电感应晶闸管和使用该结栅型静电感应晶闸管的高压脉冲发生器
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摘要
A compact, inexpensive static induction thyristor (SIThy) which is less likely to be broken down at a high voltage rise-up rate during operation and which is used in a high-voltage pulse generator capable of generating a high-voltage short pulse is provided. Thicknesses and impurity concentrations of a base region and a buffer region are determined such that a peak voltage obtained by a peak current at which a punch-through state is brought about does not exceed a breakdown voltage of the SIThy. Such design can achieve an SIThy having a self protecting function of autonomously preventing its breakdown without compromising a turn-on performance in which the peak voltage does not drastically exceed the breakdown voltage of the SIThy even when the peak current increases. Further, a compact SIThy capable of generating a short pulse can be achieved by reducing a gate-channel current-carrying area to a minimum.
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