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. 06, 2004
Filed:
Sep. 26, 2001
Atsuhiko Nagai, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A magnetoresistive head includes a first magnetic shield, an antiferromagnetic layer provided on the first magnetic shield, a pinned ferromagnetic layer provided on the antiferromagnetic layer, a nonmagnetic intermediate layer provided on the pinned ferromagnetic layer, and a free ferromagnetic layer provided on the nonmagnetic intermediate layer. The magnetoresistive head further includes a pair of hard magnetic film bias layers provided on the opposite sides of the free ferromagnetic layer, a pair of terminal layers provided on the hard magnetic film bias layers, a metal oxide film formed on the free ferromagnetic layer at an exposed portion between the pair of terminal layers, and a second magnetic shield provided on the pair of terminal layers and the metal oxide film.