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:
Nov. 10, 2015
Filed:
Oct. 06, 2011
Takumi Mikawa, Shiga, JP;
Yukio Hayakawa, Kyoto, JP;
Takeki Ninomiya, Osaka, JP;
Yoshio Kawashima, Osaka, JP;
Shinichi Yoneda, Kyoto, JP;
Takumi Mikawa, Shiga, JP;
Yukio Hayakawa, Kyoto, JP;
Takeki Ninomiya, Osaka, JP;
Yoshio Kawashima, Osaka, JP;
Shinichi Yoneda, Kyoto, JP;
Abstract
A variable resistance nonvolatile storage element includes: a first electrode; a second electrode; and a variable resistance layer having a resistance value that reversibly changes based on an electrical signal applied between the electrodes, wherein the variable resistance layer has a structure formed by stacking a first transition metal oxide layer, a second transition metal oxide layer, and a third transition metal oxide layer in this order, the first transition metal oxide layer having a composition expressed as MO(where M is a transition metal and O is oxygen), the second transition metal oxide layer having a composition expressed as MO(where x>y), and the third transition metal oxide layer having a composition expressed as MO(where y>z).