Semiconductor device

According to one embodiment, a semiconductor device is provided with a cell region and a terminal region, and includes: a first electrode; a semiconductor portion provided on the first electrode; an insulating film disposed on the semiconductor portion in the termination region; a plurality of secon...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NORIO YASUHARA, MATSUSHITA KENICHI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:According to one embodiment, a semiconductor device is provided with a cell region and a terminal region, and includes: a first electrode; a semiconductor portion provided on the first electrode; an insulating film disposed on the semiconductor portion in the termination region; a plurality of second electrodes provided on the insulating film, arranged in a first direction from the center of the semiconductor portion toward the outer periphery when viewed from above, and separated from each other; a first floating electrode that is provided in the insulating film, overlaps a gap between a pair of adjacent second electrodes among the plurality of second electrodes when viewed from above, and faces one of the pair of second electrodes via the insulating film; and a second floating electrode provided in the insulating film so as to be separated from the first floating electrode, the second floating electrode overlapping the first floating electrode within the gap when viewed from above, a portion overlapping the