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. 17, 2012
Filed:
Oct. 15, 2008
Bernd Zimmermann, Dresden, DE;
Volker Berghof, Dresden, DE;
Stefan Ruckmich, Dresden, DE;
Thorsten Schedel, Dresden, DE;
Bernd Zimmermann, Dresden, DE;
Volker Berghof, Dresden, DE;
Stefan Ruckmich, Dresden, DE;
Thorsten Schedel, Dresden, DE;
Qimonda AG, Munich, DE;
Abstract
Interconnect structures and methods are disclosed. In one embodiment, an interconnect structure includes a via extendable through a workpiece from a first side of the workpiece to a second side of the workpiece. The via is partially filled with a conductive material and has sidewalls. The interconnect structure includes a contact coupled to the conductive material in the via proximate the first side of the workpiece. The conductive material in the via comprises a recessed region comprising a landing zone proximate the second side of the workpiece.