Patent ID: 9735081
Date: 2017-08-15
CPC Classifications: H01L

Claim:
1. A semiconductor device comprising: a semiconductor substrate; a gate insulating film; a gate electrode; a front surface electrode; a temperature sensor; a front surface insulating film; and a thermal conductor, wherein the semiconductor substrate comprises: a plurality of n-type first regions exposed on a front surface of the semiconductor substrate; a p-type body region in contact with the first regions and exposed on the front surface; and an n-type second region in contact with the body region and separated from the first regions by the body region, the gate insulating film is in contact with the body region, the gate electrode faces the body region positioned between the first regions and the second region via the gate insulating film, the semiconductor substrate comprises an active region overlapping with the first regions and a region positioned between the respective first regions, and a non-active region positioned outside of the active region in a plan view of the front surface, the front surface electrode is provided on the front surface in the active region and connected to the first regions and the body region, the temperature sensor is disposed above the front surface in the non-active region, the front surface insulating film is provided on the front surface in the non-active region and on the front surface electrode, and extends from the non-active region into the active region, at least a part of the front surface insulating film above the front surface electrode comprising an aperture, the thermal conductor is connected to the front surface electrode inside the aperture, the front surface electrode comprises a first side positioned closer to the temperature sensor and a second side positioned on an opposite side to the first side in the plan view of the front surface electrode, the front surface insulating film on the front surface electrode within the active region comprises: the first width is wider than the second width.