SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE

Each of a plurality of IGBT cells includes an n base layer formed in a semiconductor layer, a p base layer formed in a surface portion of the n base layer on a side of the first main surface, an n emitter layer formed in a surface portion of the p base layer, and a p collector layer formed in a surf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SATOH, Katsumi
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:Each of a plurality of IGBT cells includes an n base layer formed in a semiconductor layer, a p base layer formed in a surface portion of the n base layer on a side of the first main surface, an n emitter layer formed in a surface portion of the p base layer, and a p collector layer formed in a surface portion of the semiconductor layer on a side of the second main surface. On a first main surface of the semiconductor layer, a gate electrode and an emitter electrode are formed. On a second main surface of the semiconductor layer, a collector electrode is formed. A pitch of the plurality of IGBT cells is 1/40 or more and 1/20 or less of a distance between the p base layer and the p collector layer.