Method for fabricating a folded channel trench MOSFET

A trench MOSFET device is fabricated with body source regions that undulate along a channel width direction of the MOSFET device such that the body region and source region have variations in depth along the channel width direction. The undulations increase a channel width of the MOSFET device.

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Bibliographische Detailangaben
1. Verfasser:	Lui, Sik
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:	A trench MOSFET device is fabricated with body source regions that undulate along a channel width direction of the MOSFET device such that the body region and source region have variations in depth along the channel width direction. The undulations increase a channel width of the MOSFET device.