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. 26, 2000
Filed:
Aug. 03, 1999
Hiroyuki Hoshiya, Hitachi, JP;
Katsuya Mitsuoka, Hitachi, JP;
Masaaki Sano, Hitachi, JP;
Reiko Arai, Mito, JP;
Susumu Soeya, Hitachiota, JP;
Hiroshi Fukui, Hitachi, JP;
Moriaki Fuyama, Hitachi, JP;
Fumio Sato, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A magnetic head includes a magnetoresistive element. The magnetoresistive element includes a first magnetic film having a fixed magnetization direction, a second magnetic film having a fixed magnetization direction, a third magnetic film having a rotatable magnetization direction, a first nonmagnetic film, and a second nonmagnetic film. The first magnetic film, the first nonmagnetic film, the third magnetic film, the second nonmagnetic film, and the second magnetic film are stacked in this order.