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. 21, 2010
Filed:
Jan. 19, 2007
Satoru Mitani, Osaka, JP;
Koichi Osano, Osaka, JP;
Shunsaku Muraoka, Osaka, JP;
Kumio Nago, Nara, JP;
Satoru Mitani, Osaka, JP;
Koichi Osano, Osaka, JP;
Shunsaku Muraoka, Osaka, JP;
Kumio Nago, Nara, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A memory device including a plurality of electric elements corresponding to a plurality of transistors on a one-to-one basis; a word line driver for driving a plurality of word lines; and a bit line/plate line driver for driving a plurality of bit lines and a plurality of plate lines. Each of the plurality of electric elements includes a first electrode connected to one of the transistors corresponding to the electric element, a second electrode connected to one of the plate lines corresponding to the electric element, and a variable-resistance film connected between the first electrode and the second electrode, and the variable-resistance film includes FeOas a constituent element and has a crystal grain size of 5 nm to 150 nm.