Semiconductor electric power conversion device
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United States of America Patent
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Dec 3, 2002
Grant Date -
Mar 21, 2002
app pub date -
Sep 6, 2001
filing date -
Sep 6, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A semiconductor electric power conversion device includes a converter unit and an inverter unit, each having a group of parallel capacitors and multiple switching elements. Subdivided positive conductive connections associated with the converter unit and divided positive conductive connections associated with the inverter unit are formed at a positive side conductor connected to capacitors; while divided negative conductive connections associated with the converter unit and divided negative-polarity conductive connections associated with the inverter unit are formed at a negative polarity side conductor, connected to capacitors. The positive and negative polarity conductors have a multilayer structure with a dielectric plate interposed therebetween. Converter positive and negative polarity conductors are formed into a multilayer structure with the dielectric plate sandwiched between them, and inverter positive and negative polarity conductors are formed into a multilayer structure with the dielectric plate sandwiched therebetween.
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