Patent ID: 9111989
Filing Date: 2015-08-18
Classification: H01L

Abstract:
1. A semiconductor device, comprising: an IGBT comprising: a semiconductor body including a transistor cell array in a first area; a junction termination structure in a second area surrounding the transistor cell array at a first side of the semiconductor body; an emitter region of a first conductivity type at a second side of the semiconductor body opposite the first side; and a diode comprising an anode and a cathode, wherein either: the anode includes a body region and the cathode includes a plurality of distinct first emitter short regions of a second conductivity type at the second side facing the transistor cell array and at least one second emitter short region of the second conductivity type at the second side facing the junction termination structure; or the cathode includes the body region and the anode includes the distinct first emitter short regions and the at least one second emitter short region, wherein the at least one second emitter short region is distinct from the first emitter short regions, wherein a first ratio between an area of the plurality of distinct first emitter short regions and the first area is smaller than a second ratio between an area of the at least one second emitter short region and the second area.