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:
Jun. 16, 2015
Filed:
Jun. 21, 2010
Applicants:
Munehiro Tada, Tokyo, JP;
Toshitsugu Sakamoto, Tokyo, JP;
Yuko Yabe, Tokyo, JP;
Yukishige Saito, Tokyo, JP;
Hiromitsu Hada, Tokyo, JP;
Inventors:
Munehiro Tada, Tokyo, JP;
Toshitsugu Sakamoto, Tokyo, JP;
Yuko Yabe, Tokyo, JP;
Yukishige Saito, Tokyo, JP;
Hiromitsu Hada, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 45/00 (2006.01); G11C 13/00 (2006.01);
U.S. Cl.
CPC ...
H01L 45/1233 (2013.01); G11C 13/0011 (2013.01); G11C 2213/15 (2013.01); G11C 2213/32 (2013.01); G11C 2213/56 (2013.01); H01L 45/146 (2013.01); H01L 45/1616 (2013.01);
Abstract
A resistance-variable element as disclosed has high reliability, high densification, and good insulating properties. The device provides a resistance-variable element in which a first electrode including a metal primarily containing copper, an oxide film of valve-metal, an ion-conductive layer containing oxygen and a second electrode are laminated in this order.