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:
Jan. 05, 2010
Filed:
Nov. 01, 2004
Paul C. Davis, Reading, PA (US);
Paul C. Davis, Reading, PA (US);
Agere Systems Inc., Allentown, PA (US);
Abstract
A method for reducing an effective lateral resistance of a buried layer in an IC includes forming first and second circuit sections in a common substrate, the second circuit section being spaced laterally from the first circuit section. The method further includes forming an isolation buried layer in the substrate under at least a portion of the first circuit section and forming a conductive layer on a surface of the substrate, the conductive layer overlaying at least a portion of the first circuit section. A plurality of conductive plugs are formed in the substrate for operatively connecting the isolation buried layer to the conductive layer, whereby an effective lateral resistance of the isolation buried layer is reduced.