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. 14, 2005
Filed:
Sep. 24, 2002
Applicants:
Thomas Roehr, Kanagawa, JP;
Hans-oliver Joachim, Kanagawa, JP;
Norbert Rehm, Kanagawa, JP;
Tadashi Miyakawa, Tokyo, JP;
Inventors:
Thomas Roehr, Kanagawa, JP;
Hans-Oliver Joachim, Kanagawa, JP;
Norbert Rehm, Kanagawa, JP;
Tadashi Miyakawa, Tokyo, JP;
Assignees:
Infineon Technologies Aktiengesellschaft, Munich, DE;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C007/00 ;
U.S. Cl.
CPC ...
Abstract
A redundancy unit includes first and second fuse blocks for programming the redundancy element. One fuse block has laser blowable fuses and the other electrical fuses. The redundancy unit can be programmed by either one of the fuse blocks, enabling the redundancy unit to able to be used for defects identified before packaging and as well as after.