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:
Apr. 01, 2014
Filed:
May. 24, 2013
Sony Corporation, Tokyo, JP;
Yoshihisa Kagawa, Kanagawa, JP;
Tetsuya Mizuguchi, Kanagawa, JP;
Ichiro Fujiwara, Kanagawa, JP;
Akira Kouchiyama, Kanagawa, JP;
Satoshi Sasaki, Kanagawa, JP;
Naomi Yamada, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
Disclosed herein is a semiconductor memory device, including: a first electrode formed on a substrate; an ion source layer formed on an upper layer of the first electrode; and a second electrode formed on an upper layer of the ion source layer. Resistance change type memory cells in each of which either a surface of the first electrode or a surface of the ion source layer is oxidized to form a resistance change type memory layer in an interface between the first electrode and the ion source interface are arranged in a array.