| 摘要 |
A semiconductor device according to one embodiment of the present invention includes: a semiconductor substrate having an operation layer on the top surface thereof; a source electrode and a drain electrode disposed on the operation layer; a gate electrode disposed between the source electrode and the drain electrode; and a field plate electrode disposed on an insulating film deposited between the gate electrode and the drain electrode. At least a part of the gate electrode is disposed in a gate recess formed in the operation layer, the field plate electrode is apart from the gate electrode by a predetermined distance, and at least a part of the field plate electrode is disposed in a field plate recess formed in the operation layer.
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