Semiconductor device including super junction structure
Abstract:
A semiconductor device of an embodiment includes transistor cells in a transistor cell area of a semiconductor body. A super junction structure in the semiconductor body includes a plurality of drift sub-regions and compensation sub-regions of opposite first and second conductivity types, respectively, and alternately arranged along a lateral direction. A termination area outside the transistor cell area between an edge of the semiconductor body and the transistor cell area includes first and third termination sub-regions of the first conductivity type, respectively. A second termination sub-region of the second conductivity type is sandwiched between the first and the third termination sub-regions along a vertical direction perpendicular to a first surface of the semiconductor body.
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