Semiconductor device and method for manufacturing semiconductor device
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United States of America Patent
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Jan 19, 2017
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Jan 28, 2016
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Abstract
A semiconductor device according to the present invention includes: a semiconductor layer including a first conductivity type semiconductor region and a second conductivity type semiconductor region joined to the first conductivity type semiconductor region; and a surface electrode connected to the second conductivity type region on one surface of the semiconductor layer, including a first Al-based electrode, a second Al-based electrode, an Al-based oxide film interposed between the first Al-based electrode and the second Al-based electrode, and a plated layer on the second Al-based electrode.
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