Semiconductor device and method for manufacturing same
Abstract:
A semiconductor device includes a semiconductor part, a metal layer, first and second electrodes, and first and second control electrodes. The first and second electrodes are provided on a front surface of the semiconductor part and arranged along the front surface of the semiconductor part. The first control electrode is provided between the semiconductor part and the first electrode. The second control electrode is provided between the semiconductor part and the second electrode. The metal layer covers a back-surface of the semiconductor part. The metal layer includes a first layer and a second layer. The first layer of the metal layer is electrically connected to the semiconductor part. The second layer of the metal layer is provided on the first layer inside a periphery of the first layer. The second layer has a layer thickness thicker than a layer thickness of the first layer.
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