Switch comprising a field effect transistor and integrated circuit

A switch comprises a field effect transistor in a semiconductor substrate having a first main surface. The field effect transistor comprises a source region, a drain region, a body region, and a gate electrode at the body region, the gate electrode being configured to control a conductivity of a cha...

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Bibliographische Detailangaben
Hauptverfasser:	Meiser, Andreas, Schloesser, Till
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS BASIC ELECTRIC ELEMENTS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	A switch comprises a field effect transistor in a semiconductor substrate having a first main surface. The field effect transistor comprises a source region, a drain region, a body region, and a gate electrode at the body region, the gate electrode being configured to control a conductivity of a channel formed in the body region. The gate electrode is disposed in gate trenches. The body region is disposed along a first direction between the source region and the drain region, the first direction being parallel to the first main surface. The body region has a shape of a ridge extending along the first direction. The body region is adjacent to the source region and the drain region. The switch further comprises a source contact and a body contact portion, the source contact being electrically connected to a source terminal. The body contact portion is in contact with the source contact and is electrically connected to the body region.