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:
Feb. 02, 2016
Filed:
Jul. 09, 2010
Takashi Kimura, Fukuoka, JP;
Kohei Hamaya, Fukuoka, JP;
Takashi Kimura, Fukuoka, JP;
Kohei Hamaya, Fukuoka, JP;
Kyushu University, National University Corporation, Fukuoka, JP;
Abstract
A magnetization reversal device includes a ferromagneticbody which is provided in an interconnection of a non-ferromagnetic dotso that a part or a whole of the ferromagnetic dot is three-dimensionally buried in the interconnection of said non-ferromagnetic dot, and a spin injection sourcewhich generates a spin-polarized pure spin current without a flow of charges, and which is provided in the interconnection of the non-ferromagnetic dotto be in contact therewith so that the interconnection of the non-ferromagnetic dot serves as a common electrode, and the pure spin current flows into the ferromagnetic dotthrough the interconnection of the non-magnetic body by the spin injection sourcedue to a diffusion current, to thereby reverse magnetization of the ferromagnetic dot. By injecting the pure spin current, using this planar structure, it is possible to easily carry out the magnetization reversal of the ferromagnetic doteven if it is a thick film ferromagnetic dot without being subjected to limitation of a spin diffusion length.