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. 13, 2017
Filed:
Sep. 10, 2012
Shinichi Yoneda, Kyoto, JP;
Takumi Mikawa, Shiga, JP;
Satoru Ito, Hyogo, JP;
Yukio Hayakawa, Kyoto, JP;
Atsushi Himeno, Osaka, JP;
Shinichi Yoneda, Kyoto, JP;
Takumi Mikawa, Shiga, JP;
Satoru Ito, Hyogo, JP;
Yukio Hayakawa, Kyoto, JP;
Atsushi Himeno, Osaka, JP;
Abstract
A nonvolatile memory element including: a first electrode; a second electrode; a variable resistance layer that is between the first electrode and the second electrode and includes, as stacked layers, a first variable resistance layer connected to the first electrode and a second variable resistance layer connected to the second electrode; and a side wall protecting layer that has oxygen barrier properties and covers a side surface of the variable resistance layer. The first variable resistance layer includes a first metal oxide and a third metal oxide formed around the first metal oxide and having an oxygen deficiency lower than that of the first metal oxide, and the second variable resistance layer includes a second metal oxide having an oxygen deficiency lower than that of the first metal oxide.