Patent ID: 6815780
Filing Date: 2004-11-09
Classification: H01L

Abstract:
A semiconductor component comprising:a semiconductor substrate having a first conductivity type; a semiconductor epitaxial layer having the first conductivity type located over the semiconductor substrate; a first semiconductor device located in the semiconductor epitaxial layer and including a first semiconductor region having a second conductivity type; a second semiconductor device located in the semiconductor epitaxial layer and including a second semiconductor region having the second conductivity type; an ohmic contact region in the semiconductor epitaxial layer having the first conductivity type and located between the first semiconductor device and the second semiconductor device; and a plurality of electrically insulating trenches located in the semiconductor epitaxial layer, including a first set comprising at least one electrically insulating trench and a second set comprising a second electrically insulating trench, wherein: the semiconductor epitaxial layer has a doping concentration lower than a doping concentration of the semiconductor substrate; the first set circumscribes at least the first semiconductor device; and the second set circumscribes at least the second semiconductor device.