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:
Jun. 21, 2011
Filed:
Aug. 17, 2007
Shunsaku Muraoka, Osaka, JP;
Satoru Fujii, Osaka, JP;
Satoru Mitani, Osaka, JP;
Koichi Osano, Osaka, JP;
Shunsaku Muraoka, Osaka, JP;
Satoru Fujii, Osaka, JP;
Satoru Mitani, Osaka, JP;
Koichi Osano, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A memory element comprises a first electrode, a second electrode, and a resistance variable filmwhich is disposed between the first and second electrodes to be connected to the first and second electrodes, a resistance value of the resistance variable filmvarying based on voltage applied between the first and second electrodes, the resistance variable filmincludes a layermade of FeOand a layermade of FeOor a spinel structure oxide which is expressed as MFeO(M: metal element except for Fe); and the layermade of FeOis thicker than the layermade of FeOor the spinel structure oxide.