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. 04, 2011
Filed:
Sep. 11, 2006
Applicants:
Hun Woo Kye, Icheon-si, KR;
Bok-nam Song, Seongnam-si, KR;
Jung Bum Choi, Cheongju-si, KR;
Inventors:
Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided herein is an MV DRAM device for storing multiple value levels using an SET device. The device includes one or more word lines; one or more bitlines; a DRAM cell connected to intersections of the word lines and the bitlines; a current source transistor having a source connected to a power supply voltage and a gate and a drain connected to the bitlines; an SET (single electron transistor) device having a gate connected to the bitlines and a source connected to the ground voltage; and a transistor connected between the bitlines and the drain of the SET device, where the gate of the transistor is connected to the ground voltage.