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:
Sep. 02, 2014
Filed:
Sep. 26, 2013
Panasonic Corporation, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A non-volatile memory element including a first electrode; a second electrode; and a variable resistance layer. The variable resistance layer including, when a first metal is M and a second metal is N: a third metal oxide layer NO; a second metal oxide layer NO; and a first metal oxide layer MOsuch that the third, second and first metal oxide layers are stacked in this order; wherein when an oxygen content atomic percentage of an oxide of the first metal M in a stoichiometric state is A, an oxygen content atomic percentage of an oxide of the second metal N in a stoichiometric state is B, an oxygen content atomic percentage of MOis C, an oxygen content atomic percentage of NOis D, and an oxygen content atomic percentage of NOis E, (D/B)<(C/A), (E/B)<(C/A) and y<z are satisfied.