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:
Jun. 02, 2009
Filed:
Dec. 14, 2006
Applicant:
Ulrich Zimmermann, Ottendorf-Okrilla, DE;
Inventor:
Ulrich Zimmermann, Ottendorf-Okrilla, DE;
Assignee:
Qimonda AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a semiconductor memory, and to a measuring method for a semiconductor memory. In one case, the method includes connecting a memory cell to a ring oscillator and measuring the frequency resulting for said ring oscillator.