Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Raymond J. E. Hueting0
Erwin A. Hijzen0
Date of Patent
December 8, 2009
0Patent Application Number
105622540
Date Filed
June 10, 2004
0Patent Primary Examiner
Patent abstract
A semiconductor device has a trench (42) adjacent to a cell (18). The cell includes source and drain contact regions (26, 28), and a central body (40) of opposite conductivity type. The device is bidirectional and controls current in either direction with a relatively low on-resistance. Preferred embodiments include potential plates (60) that act together with source and drain drift regions (30, 32) to create a RESURF effect.
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