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:
Sep. 05, 2006

Filed:

Oct. 27, 2003
Applicants:

Takeshi Hara, Kawasaki, JP;

Mitsuo Kamimura, Kawasaki, JP;

Yukio Abe, Kawasaki, JP;

Yoshinari Higashino, Kawasaki, JP;

Kunihiro Shimada, Kawasaki, JP;

Kiyoshi Sakuma, Kawasaki, JP;

Atsushi Suzuki, Kawasaki, JP;

Kentaroh Katoh, Chiba, JP;

Inventors:

Takeshi Hara, Kawasaki, JP;

Mitsuo Kamimura, Kawasaki, JP;

Yukio Abe, Kawasaki, JP;

Yoshinari Higashino, Kawasaki, JP;

Kunihiro Shimada, Kawasaki, JP;

Kiyoshi Sakuma, Kawasaki, JP;

Atsushi Suzuki, Kawasaki, JP;

Kentaroh Katoh, Chiba, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 21/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A magnetic disk apparatus includes a magnetic disk with normal and double servo sectors arranged alternately. If a servo interruption period corresponding to adjacent first servo sectors is a first servo interruption period, then a second servo interruption period that is a servo interruption period corresponding to adjacent first servo sector and second servo sector is equal to or less than half of the first servo interruption period.


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