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:
Jul. 01, 2008
Filed:
Jun. 16, 2006
Applicants:
Yasuhiko Murakami, Suwa, JP;
Yasunori Koide, Matsumoto, JP;
Inventors:
Yasuhiko Murakami, Suwa, JP;
Yasunori Koide, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ferroelectric memory device being short in the bit line direction. The ferroelectric memory device is structured including a first word line extending in the first direction; a plurality of element regions arrayed in the first direction on both sides of the first word line; a plurality of ferroelectric capacitors connected to the respective element regions and driven by the first word line. Each of the element regions preferably has a stair-like shape when seen in a plane view and the first word line is preferably arranged bent between the element regions.