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
Munehiro Tada, Minato-ku, JP;
Toshitsugu Sakamoto, Minato-ku, JP;
Hiromitsu Hada, Minato-ku, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
The objective of the present invention is to provide a semiconductor device provided with a resistance-variable element having sufficient switching property and exhibiting high reliability and high densification as well as good insulating property. The present invention provides a semiconductor device comprising a resistance-variable element provided within multiple wiring layers on a semiconductor substrate, wherein the resistance-variable element comprises a laminated structure in which a first electrode, a first ion-conductive layer of valve-metal oxide film, a second ion-conductive layer containing oxygen and a second electrode are laminated in this order, and the wiring of the multiple wiring layers also serves as the first electrode.