A semiconductor device having a Schottky gate and a bipolar device. A semiconductor substrate has a surface layer in ohmic contact with the conductor and the deeper layer in Schottky contact with the conductor. The substrate has a recess which reaches into the deeper layer. A conductor field extends...http://www.google.com.au/patents/US5994725?utm_source=gb-gplus-sharePatent US5994725 - MOSFET having Schottky gate and bipolar device
