Patent ID: 6686614
Filing Date: 2004-02-03
Classification: H01L

Abstract:
An integrated semiconductor switching element, comprising:a semiconductor body having a first connection zone of a first conduction type, a second connection zone of the first conduction type, and a body zone of a second conduction type located between said first connection zone and said second connection zone, said body zone being formed in a well-like manner in said second connection zone, said first connection zone being formed in a well-like manner in said body zone, said semiconductor body being formed with a contact hole, said contact hole passing through said first connection zone and said body zone, said contact hole having a bottom and side walls; a control electrode located alongside said body zone and insulated from said semiconductor body; a Schottky barrier located on said second connection zone, said Schottky barrier being located in said contact hole and being formed on said bottom of said contact hole; a first connection electrode electrically conductively connected to said first connection zone and to said Schottky barrier; and an insulation layer located on said side walls of said contact hole.