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. 21, 1994
Filed:
Aug. 04, 1992
Applicant:
Inventors:
Miki Matsumoto, Ohme, JP;
Hiroshi Kawamoto, Kodaira, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257209 ; 257210 ; 257211 ;
Abstract
The present invention disposes a redundancy logic device and a redundancy line which are used selectively in place of a logic device or a line, which becomes unusable, in a logic portion of a semiconductor integrated circuit device such as a gate array integrated circuit.