Power semiconductor device
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United States of America Patent
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Mar 2, 2010
Grant Date -
Jul 16, 2009
app pub date -
Mar 19, 2009
filing date -
Mar 15, 2006
priority date (Note) -
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Abstract
A power semiconductor device, having a first semiconductor region, and a second semiconductor region; mounted with a first electrode pad on a semiconductor substrate main surface at the inside surrounded by the third semiconductor region, mounted in the second semiconductor region, and a multilayer substrate having first and second wiring layers, to take out an electrode of the semiconductor chip; joining the first wiring layer part for the first electrode, mounted on the multilayer substrate, in a region opposing to the semiconductor substrate main surface at the inside surrounded by the third semiconductor region, and the first electrode pad, by a conductive material; joining the first wiring layer part for the first electrode, and the second wiring layer at a conductive part; and extending the second wiring layer to the outside of a region opposing the semiconductor substrate main surface at the inside surrounded by the third semiconductor region.
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