Patent ID: 6127695
Filing Date: 2000-10-03
Classification: H01L,Y10S

Abstract:
A lateral field effect transistor of SiC for high switching frequencies comprising a source region layer (5) and a drain region layer (6) laterally spaced and highly doped n-type, an n-type channel layer (4) of lower doping concentration extending laterally and interconnecting the source region layer and the drain region layer for conducting a current between these layers in the on-state of the transistor, and a gate electrode (9) arranged to control the properties of the channel layer to be conducting or blocking through varying the potential applied to the gate electrode, characterized in that it further comprises a highly doped p-type base layer (12) arranged next to the channel layer at least partially overlapping the gate electrode and being at a lateral distance to the drain region layer, said base layer being shorted to the source region layer.