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:
Dec. 31, 2013
Filed:
Sep. 08, 2011
Shinnosuke Hattori, Tokyo, JP;
Toshiyuki Kunikiyo, Kanagawa, JP;
Mitsunori Nakamoto, Tokyo, JP;
Shuichiro Yasuda, Kanagawa, JP;
Shinnosuke Hattori, Tokyo, JP;
Toshiyuki Kunikiyo, Kanagawa, JP;
Mitsunori Nakamoto, Tokyo, JP;
Shuichiro Yasuda, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
There are provided a memory element and a memory device with a smaller range of element-to-element variation of electrical characteristics. The memory element includes a first electrode, a memory layer, and a second layer in this order. The memory layer includes a resistance change layer including a plurality of layers varying in diffusion coefficient of mobile atoms, and an ion source layer disposed between the resistance change layer and the second electrode.