Patent ID: 9070790
Filing Date: 2015-06-30
Classification: H01L

Abstract:
1. A vertical semiconductor device, comprising: a semiconductor body having a first surface and a second surface that runs substantially parallel to the first surface; a first metallization arranged on the first surface; and a second metallization arranged on the second surface; wherein, in a sectional plane substantially perpendicular to the first surface, the semiconductor body comprises: an n-doped first semiconductor region in ohmic contact with the second metallization; a plurality of p-doped second semiconductor regions in ohmic contact with the first metallization, substantially extending to the first surface, spaced apart from one another and forming respective first pn-junctions with the first semiconductor region; and a plurality of p-doped embedded semiconductor regions, spaced apart from one another, from the p-doped second semiconductor regions, from the first surface and from the second surface, and forming respective second pn-junctions with the first semiconductor region, wherein the p-doped embedded semiconductor regions are spaced apart from one another and from the second surface by a portion of the n-doped first semiconductor region having a substantially uniform doping concentration.