SEMICONDUCTOR DEVICE
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Oct 26, 2012
filing date -
Oct 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A semiconductor device includes a semiconductor substrate of a first electroconductive type, a first principal electrode arranged on a first side of the semiconductor substrate, a first semiconductor layer of a second electroconductive type arranged on a second side of the semiconductor substrate and at a certain distance from an edge of the semiconductor substrate, plural second semiconductor layer portions of the second electroconductive type arranged on the second side of the semiconductor substrate and positioned selectively in between the edge and the first semiconductor layer, an insulating film arranged to cover a portion of the first semiconductor layer from the edge, an electroconductive film arranged to cover portions of the insulating film and the first semiconductor layer, and a second principal electrode arranged in contact with the first semiconductor layer and the electroconductive film.
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