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:
Apr. 08, 2008
Filed:
Dec. 08, 2004
Shiho Okuno, Kanagawa-ken, JP;
Yuichi Ohsawa, Kanagawa-ken, JP;
Shigeru Haneda, Kanagawa-ken, JP;
Yuzo Kamiguchi, Kanagawa-ken, JP;
Tatsuya Kishi, Kanagawa-ken, JP;
Shiho Okuno, Kanagawa-ken, JP;
Yuichi Ohsawa, Kanagawa-ken, JP;
Shigeru Haneda, Kanagawa-ken, JP;
Yuzo Kamiguchi, Kanagawa-ken, JP;
Tatsuya Kishi, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A magnetoresistance effect element includes a first ferromagnetic layer (), insulating layer () overlying the first ferromagnetic layer, and second ferromagnetic layer () overlying the insulating layer. The insulating layer has formed a through hole (A) having an opening width not larger than 20 nm, and the first and second ferromagnetic layers are connected to each other via the through hole.