Patent ID: 9620631
Date: 2017-04-11
CPC Classifications: H01L

Claim:
1. A power semiconductor device comprising: a first semiconductor layer of a first conductivity type; a second semiconductor layer of a second conductivity type provided on the first semiconductor layer; a pair of conductive bodies provided in the second semiconductor layer via an insulating film; a third semiconductor layer of the second conductivity type selectively provided on the second semiconductor layer; a first electrode provided on the pair of conductive bodies, the first electrode being electrically connected to the pair of conductive bodies; and a second electrode electrically connected to the first semiconductor layer, wherein the second semiconductor layer includes a region of the second conductivity type provided under one of the pair of conductive bodies, the region of the second conductivity type being connected to the second semiconductor layer between the pair of conductive bodies, wherein a total second conductivity type impurity amount per unit area of the second semiconductor layer is 2×10 wherein a distance between the pair of conductive bodies via the insulating film is 2 μm or less, wherein the first semiconductor layer includes a first region and a second region adjacent to the first region, and the second semiconductor layer, the pair of conductive bodies, and the third semiconductor layer are provided on the first semiconductor layer in the first region, wherein the device further includes: wherein the first electrode is electrically connected to the fifth semiconductor layer and the sixth semiconductor layer.