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:
Feb. 15, 2005
Filed:
Apr. 26, 2002
Applicants:
Norbert Rehm, Yokohama, JP;
Hans-oliver Joachim, Zushi, JP;
Thomas Roehr, Yokohama, JP;
Joerg W. Wohlfahrt, Yokohama, JP;
Inventors:
Norbert Rehm, Yokohama, JP;
Hans-Oliver Joachim, Zushi, JP;
Thomas Roehr, Yokohama, JP;
Joerg W. Wohlfahrt, Yokohama, JP;
Assignee:
Infineon Technologies Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C007/00 ;
U.S. Cl.
CPC ...
Abstract
An improved redundancy scheme for chained memory architecture is disclosed. The redundancy scheme comprises including redundant cells as part of the memory chain. As such, a redundant cell is used to repair a defective cell within the chain. This eliminates the need in conventional chained architecture to replace the whole memory block when there is a defective cell.