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:
Aug. 21, 2012
Filed:
Jul. 09, 2009
Applicant:
Sven Van Wijmeersch, Brakel, BE;
Inventor:
Sven Van Wijmeersch, Brakel, BE;
Assignee:
Sofics BVBA, Gistel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/74 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ESD protection circuit including an SCR having at least one PNP transistor and at least one NPN transistor such that at least one of the PNP transistor and the NPN transistor having an additional second collector. The circuit further including at least one control circuit coupled to the at least one second collector to control holding voltage of the SCR.