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:
Jul. 01, 2014
Filed:
Dec. 22, 2011
Yasuhiro Nojiri, Mie, JP;
Yasuhiro Nojiri, Mie, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to one embodiment, a memory cell includes a resistance change layer, an upper electrode layer, a lower electrode layer, a diode layer, a first oxide film, and a second oxide film. The upper electrode layer is arranged above the resistance change layer. The lower electrode layer is arranged below the resistance change layer. The diode layer is arranged above the upper electrode layer or below the lower electrode layer. The first oxide film exists on a side wall of at least one electrode layer of the upper electrode layer or the lower electrode layer. The second oxide film exists on a side wall of the diode layer. The film thickness of the first oxide film is thicker than a film thickness of the second oxide film.