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:
Jul. 22, 2008
Filed:
Sep. 29, 2004
Applicant:
Michael J. Peterson, Eagan, MN (US);
Inventor:
Michael J. Peterson, Eagan, MN (US);
Assignee:
Agere Systems Inc, Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A breakdown protection circuit for a source follower comprising a field effect transistor (FET). The protection circuit comprises a plurality of PFET's and NFET's that are controlled to exhibit on and off states for advantageously configuring a gate, source, drain and body of the source follower FET, to avoid breakdown of and forward biasing of certain FET junctions.