Patent ID: 6627948
Filing Date: 2003-09-30
Classification: H01L

Abstract:
A semiconductor device comprising a drift region, said drift region having a drift current flowing if said drift region is in an ON mode and a gate electrode, said drift region being depleted if said drift region is in an OFF mode, said drift current flowing in a vertical direction, and said drift region being formed on a semiconductor, wherein said drift region comprises:a plurality of first conductivity type drift regions, each having a layer structure along said vertical direction, a plurality of second conductivity type compartment regions, each having a layer structure along said vertical direction, a first additional second conductivity type side region along said vertical direction and connected to an outer side of a first conductivity type drift path region positioned at a first outer side of said plurality of first conductivity type drift path regions, and a second additional second conductivity type side region along said vertical direction and connected to an outer side of a first conductivity type drift path region positioned at a second outer side of said plurality of first conductivity type drift path regions, and wherein said plurality of first conductivity type drift path regions are drift path regions for said gate electrode.