Patent ID: 7084475

Claim:
A Schottky diode, comprising: a semiconductor body including a lower semiconductor layer and an upper semiconductor layer formed atop a portion of said lower semiconductor layer, said lower semiconductor layer and said upper semiconductor layer being of a same conductivity type, said lower semiconductor layer being more highly doped than said upper semiconductor layer, said semiconductor body defining a lower contact surface and a plurality of mesas projecting upwardly from said lower contact surface, said lower contact surface including at least a portion of said lower layer, each of said plurality of mesas including a portion of said upper layer and defining an upper contact surface, each of said plurality of mesas being separated from adjacent ones of said plurality of mesas by a portion of said lower contact surface; a plurality of upper metallic contacts each disposed atop a respective one of said plurality of mesas and forming a respective Schottky contact with the upper contact surface of that mesa; and one or more lower metallic contacts disposed on said lower contact surface in substantially ohmic contact therewith, at least part of said one or more lower metallic contacts extending between at least some of said plurality of mesas.