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:
Aug. 08, 1989
Filed:
Oct. 01, 1987
Applicant:
Inventor:
Takahiko Urai, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365210 ; 365 51 ;
Abstract
A semiconductor memory device having a plurality of memory cells of uniform and reliable characteristics is disclosed. The memory device comprises at least one array of memory cells arranged in matrix form of rows and columns and a selection circuit for accessing at least one of the memory cells, and is featured by a plurality of dummy cells arranged along all the peripheries of the array so as to surround the array.
Quick Actions:
Urai, Takahiko. (1989). Semiconductor memory device with improved cell arrangement (U.S. Patent No. 4855956). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4855956
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile