Patent ID: 7960787
Filing Date: 2011-06-14
Classification: H01L

Abstract:
1. A semiconductor power device formed on a semiconductor substrate of a first conductivity type wherein the semiconductor power device includes trench gates surrounded by body regions of a second conductivity type encompassing source regions of the first conductivity type therein, said semiconductor power device further comprising: a trench contact structure having a plurality of trench contacts with trenches extended into the body regions for as source-body contacts and extended into the trench gates as gate contact; a termination area wherein a plurality of the trench gate contacts are electrically connected to the source-body contacts; and an active cell area and a plurality of gate runners as extension of the trench gates in the active cell areas extended to said termination area and the trench gates in the termination area are not electrically connected to the trench gates in the active cell area.