Patent ID: 10483354

Abstract:
In one embodiment, a nitride semiconductor device is provided with a first semiconductor layer that is a layer of Alx1Ga(1-x1)N (0<x1≤1), a second semiconductor layer that is on the first semiconductor layer and is a layer of a nitride semiconductor Iny2Alx2Ga(1-x2-y2)N (0<x2<1, 0<y2<1, 0<x2+y2≤1) containing indium, a third semiconductor layer that is on the second semiconductor layer and is a layer of Alx3Ga(1-x3)N (0≤x3<1), and a fourth semiconductor layer that is on the third semiconductor layer and is an layer of Iny4Alx4Ga(1-x4-y4)N (0<x4<1, 0≤y4<1, 0<x4+y4≤1).