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. 25, 2014
Filed:
Feb. 24, 2012
Shigeki Kobayashi, Kuwana, JP;
Kazuhiko Yamamoto, Yokohama, JP;
Kenji Aoyama, Yokohama, JP;
Shigeto Oshino, Kawasaki, JP;
Kei Watanabe, Tokyo, JP;
Shinichi Nakao, Yokohama, JP;
Satoshi Ishikawa, Yokohama, JP;
Takeshi Yamaguchi, Kawasaki, JP;
Shigeki Kobayashi, Kuwana, JP;
Kazuhiko Yamamoto, Yokohama, JP;
Kenji Aoyama, Yokohama, JP;
Shigeto Oshino, Kawasaki, JP;
Kei Watanabe, Tokyo, JP;
Shinichi Nakao, Yokohama, JP;
Satoshi Ishikawa, Yokohama, JP;
Takeshi Yamaguchi, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A nonvolatile storage device is formed by laminating a plurality of memory cell arrays, the memory cell array including a plurality of word lines, a plurality of bit lines, and memory cells. The memory cell includes a current rectifying device and a variable resistance device, the variable resistance device includes a lower electrode, an upper electrode, and a resistance change layer including a conductive nano material formed between the lower electrode and the upper electrode, one of the variable resistance devices provided adjacent to each other in the laminating direction has titanium oxide (TiOx) between the resistance change layer and the lower electrode serving as a cathode, the other of the variable resistance devices provided adjacent to each other in the laminating direction has titanium oxide (TiOx) between the resistance change layer and the upper electrode serving as a cathode.