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:
Jun. 16, 1998
Filed:
Jun. 14, 1996
Yutaka Ueta, Yao, JP;
Hiroyuki Ohno, Osaka, JP;
Takao Yamano, Daito, JP;
Kiyotaka Itou, Daito, JP;
Kousou Ishihara, Nabari, JP;
Kazuhiro Koga, Osaka, JP;
Yoshifumi Fukumoto, Sakai, JP;
Atsushi Furuzawa, Habikino, JP;
Takahiro Ogawa, Sakai, JP;
Hiroyuki Okuda, Kadoma, JP;
Toshinori Urano, Ikoma, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
A magnetic head comprises a first abutting segment formed with a winding groove having an open side, and a second abutting segment opposed to the open side of the groove and joined to the first segment. The first abutting segment comprises a first core segment having the groove, and gap spacers and second ferromagnetic thin films formed on the surface thereof opposed to the second segment and positioned above and below the groove. The first core segment comprises a core segment member made of a ferromagnetic material, formed with the groove and having a first ferromagnetic thin film which is formed on the surface thereof opposed to the second abutting segment and which is positioned toward the face of the head to be opposed to recording media. The second abutting segment has a face to be opposed to the recording medium and formed by a nonmagnetic material.