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.

Date of Patent:
Aug. 23, 2005

Filed:

Aug. 12, 2004
Applicants:

Yuko Tsuchiya, Tokorozawa, JP;

Hiroyuki Hoshiya, Odawara, JP;

Yoshiaki Kawato, Tokyo, JP;

Katsuro Watanabe, Odawara, JP;

Hiroshi Ide, Kodaira, JP;

Inventors:

Yuko Tsuchiya, Tokorozawa, JP;

Hiroyuki Hoshiya, Odawara, JP;

Yoshiaki Kawato, Tokyo, JP;

Katsuro Watanabe, Odawara, JP;

Hiroshi Ide, Kodaira, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B005/39 ; G11B005/265 ;
U.S. Cl.
CPC ...
Abstract

Provided is a thin film single pole head for perpendicular magnetic recording, which has a structure offering a high formatted volume, easy servo, difficulty of influencing a recording pattern on a medium, and capability of shortening processing time. This thin film single pole head for perpendicular magnetic recording is formed on a reproducing head composed of a pair of shield layers formed on a substrate, and a reproducing element formed therebetween. A structure is provided, where an auxiliary pole is not disposed between the reproducing element of the reproducing head and the main pole of a recording head when seen from a surface facing to recording media.


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