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.

Date of Patent:
Aug. 16, 2022

Filed:

Mar. 12, 2019
Applicant:

Tohoku University, Miyagi, JP;

Inventors:

Tetsuo Endoh, Miyagi, JP;

Shoji Ikeda, Miyagi, JP;

Hiroki Koike, Miyagi, JP;

Assignee:

TOHOKU UNIVERSITY, Miyagi, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/16 (2006.01); G11C 13/00 (2006.01); H01L 43/02 (2006.01);
U.S. Cl.
CPC ...
G11C 11/161 (2013.01); G11C 13/0069 (2013.01); H01L 43/02 (2013.01); G11C 2211/5615 (2013.01);
Abstract

An integrated circuit device of the invention, includes: a first resistance variable memory element provided on a semiconductor substrate; a second resistance variable memory element provided on the semiconductor substrate; and a semiconductor circuit for controlling write and read of the first resistance variable memory element and the second resistance variable memory element, which is provided on the semiconductor substrate, in which the second resistance variable memory element has a write current that is smaller than a write current of the first resistance variable memory element, and the second resistance variable memory element is disposed farther from the semiconductor substrate than the first resistance variable memory element.


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