Patent ID: 9355958
Filing Date: 2016-05-31
CPC Classification: H01L

Claim Text:
1. A semiconductor device, comprising: a semiconductor substrate comprising a first side, a second side opposite the first side, an active area, an outer rim, and an edge termination area arranged between the outer rim and the active area; and a metallization structure arranged on the first side of the semiconductor substrate and comprising at least a first metal layer comprised of a first metallic material and a second metal layer comprised of a second metallic material, wherein the first metallic material is electrochemically more stable than the second metallic material and wherein the first metal layer is in contact with the second metal layer; wherein the first metal layer extends laterally further towards the outer rim than the second metal layer, and wherein the second metal layer is recessed from the outer rim so that mainly the first metal layer remains in the edge termination area.