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.:

US 7929255 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 19, 2011

Filed:

Feb. 27, 2008
Applicants:

Hiroshi Umezaki, Kanagawa, JP;

Shinichi Iwasa, Kanagawa, JP;

Inventors:

Hiroshi Umezaki, Kanagawa, JP;

Shinichi Iwasa, Kanagawa, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 21/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

Embodiments of the present invention provide a magnetic head inspection system having a simple configuration capable of inspecting magnetic heads. According to one embodiment, the magnetic head inspection system comprises an inspection module which is provided with a magnetic disk where servo data including track identifier information are recorded, a spindle motor, a carriage having a mount structure to which a head assembly containing a magnetic head is secured, a voice coil motor and a main circuit section. An inspection circuit section instructs the main circuit section to execute control so as to move the magnetic head to a specific track and perform a certain read write operation by the magnetic head in order to inspect the magnetic head.


Find Patent Forward Citations

Loading…