Semiconductor device and semiconductor device manufacturing method
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United States of America Patent
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Aug 15, 2017
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app pub date -
Oct 28, 2016
filing date -
Dec 11, 2015
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Abstract
To restrict the deterioration of properties in a semiconductor device due to hydrogen, provided is a semiconductor device including a semiconductor substrate; a hydrogen absorbing layer that is provided above a top surface of the semiconductor substrate and formed of a first metal having a hydrogen absorbing property; a nitride layer that is provided above the hydrogen absorbing layer and formed of a nitride of the first metal; an alloy layer that is provided above the nitride layer and formed of an alloy of aluminum and a second metal; and an electrode layer that is provided above the alloy layer and formed of aluminum. A pure metal layer of the second metal is not provided between the electrode layer and the nitride layer.
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