COMPOUND SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME
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United States of America Patent
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Issued Date -
Jun 5, 2014
app pub date -
Oct 29, 2013
filing date -
Dec 4, 2012
priority date (Note) -
Abandoned
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Abstract
The compound semiconductor device includes a first-compound-semiconductor-layer, a second-compound-semiconductor-layer formed on an upper side of the first-compound-semiconductor-layer and having a band gap larger than the band gap of the first-compound-semiconductor-layer, a p-type third-compound-semiconductor-layer formed on an upper side of the second-compound-semiconductor-layer, an electrode formed on an upper side of the second-compound-semiconductor-layer through the third-compound-semiconductor-layer, a fourth-compound-semiconductor-layer formed so as to be in contact with the third-compound-semiconductor-layer at an upper side of the second-compound-semiconductor-layer and having a band gap smaller than the band gap of the second-compound-semiconductor-layer, and a fifth-compound-semiconductor-layer formed so as to be in contact with the third-compound-semiconductor-layer at an upper side of the fourth-compound-semiconductor-layer and having a band gap larger than the band gap of the fourth-compound-semiconductor-layer.
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