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:
Oct. 09, 1990
Filed:
Jul. 21, 1989
Koji Kawada, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A semiconductor memory device according to the present invention has a plurality of memory cells of the one-transistor and one-capacitor type, and a plurality of bit lines coupled to columns of the memory cells, respectively, and disposed in an insulating film over the memory cells, and a common upper electrode is shared by the storage capacitors of the memory cells and has shield portions interposed between the bit lines, so that the adjacent bit lines are less liable to be capacitively coupled by virtue of the shield portions, thereby allowing data bit signals to propagate without any undesirable influence of the adjacent bit lines.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile