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:
Nov. 01, 2011
Filed:
Dec. 31, 2008
Hideaki Fukuzawa, Kawasaki, JP;
Katsuhiko Koi, Kawasaki, JP;
Hiromi Fuke, Kawasaki, JP;
Hiroshi Tomita, Yokohama, JP;
Hitoshi Iwasaki, Yokosuka, JP;
Masashi Sahashi, Yokohama, JP;
Hideaki Fukuzawa, Kawasaki, JP;
Katsuhiko Koi, Kawasaki, JP;
Hiromi Fuke, Kawasaki, JP;
Hiroshi Tomita, Yokohama, JP;
Hitoshi Iwasaki, Yokosuka, JP;
Masashi Sahashi, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
There are provided a magnetoresistance effect element, a magnetic head, a magnetic head assembly and a magnetic recording system, which have high sensitivity and high reliability. The magnetoresistance effect element has two ferromagnetic layers, a non-magnetic layer provided between the ferromagnetic layers, and a layer containing an oxide or nitride as a principal component, wherein the layer containing the oxide or nitride as the principal component contains a magnetic transition metal element which does not bond to oxygen and nitrogen and which is at least one of Co, Fe and Ni.