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. 30, 2011
Filed:
Oct. 15, 2008
Applicants:
Werner Graf, Dresden, DE;
Clemens Fitz, Dresden, DE;
Inventors:
Werner Graf, Dresden, DE;
Clemens Fitz, Dresden, DE;
Assignee:
Qimonda AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/522 (2006.01);
U.S. Cl.
CPC ...
Abstract
An integrated circuit includes a contact structure with a buried first and a protruding second portion. The buried first portion is arranged in a cavity formed in a semiconductor structure and is in direct contact with the semiconductor structure. The protruding second portion is arranged above the main surface of the semiconductor structure and in direct contact with a conductive structure that is spaced apart from or separated from the main surface of the semiconductor structure. An insulator structure is arranged below and in direct contact with the contact structure.