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. 10, 2007
Filed:
Oct. 30, 2003
Applicants:
Hisashi Kimura, Odawara, JP;
Moriaki Fuyama, Hitachi, JP;
Inventors:
Hisashi Kimura, Odawara, JP;
Moriaki Fuyama, Hitachi, JP;
Assignee:
Hitachi Global Storage Technologies Japan, Ltd., Kanagawa-ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are a thin-film magnetic recording head suitable for high density recording and its fabrication method elaborated to avoid corrosion of the main pole section of the head. A non-magnetic metal layer is formed on the top of the main pole.