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. 01, 2004
Filed:
Jan. 08, 2003
Applicant:
Inventor:
Mitsunori Tsujino, Hyogo, JP;
Assignee:
Renesas Technology Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 8/00 ;
U.S. Cl.
CPC ...
G11C 8/00 ;
Abstract
A first repair chip, wherein BANK functions properly although BANKs and have become defective, and a second repair chip, wherein BANKs and function properly although BANK has become defective, are mounted on a rear surface of a module substrate in order to substitute for the functions of BANK of the first bare chip and of BANKs and of the second bare chip that have become defective on the front surface of the module substrate. Thereby, a semiconductor memory module is obtained that can be repaired by mounting chips that carry out functions substituting for those of defective banks while effectively utilizing the functions of other banks that are not defective.