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. 06, 2005
Filed:
Jun. 24, 2002
Kohichi Tateyama, Kanagawa-ken, JP;
Susumu Hashimoto, Kanagawa-ken, JP;
Masayuki Takagishi, Kanagawa-ken, JP;
Tomomi Funayama, Kanagawa-ken, JP;
Yuichi Ohsawa, Kanagawa-ken, JP;
Kohichi Tateyama, Kanagawa-ken, JP;
Susumu Hashimoto, Kanagawa-ken, JP;
Masayuki Takagishi, Kanagawa-ken, JP;
Tomomi Funayama, Kanagawa-ken, JP;
Yuichi Ohsawa, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
In a magnetic head having magnetic yoke layers, each magnetic yoke layer includes a yoke projecting portion (A) projected toward a recording medium, and yoke setback portions (B) set back from the yoke projecting portion. A first bias magnetic field applying film () of an antiferromagnetic material is formed to cover the yoke projecting portion whereas a second bias magnetic field applying film () of a ferromagnetic material may be formed on opposite side surfaces of the yoke projecting portion.