The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 08, 2009
Filed:
Jun. 10, 2004
Applicants:
Raymond J. E. Hueting, Helmond, NL;
Erwin A. Hijzen, Blanden, BE;
Inventors:
Raymond J. E. Hueting, Helmond, NL;
Erwin A. Hijzen, Blanden, BE;
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/423 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device has a trench () adjacent to a cell (). The cell includes source and drain contact regions (), and a central body () 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 () that act together with source and drain drift regions () to create a RESURF effect.