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:
Nov. 17, 2009

Filed:

Apr. 24, 2006
Applicants:

Youn-tai Kim, Yongin-si, KR;

Sung-wook Kim, Suwon-si, KR;

Inventors:

Youn-Tai Kim, Yongin-si, KR;

Sung-Wook Kim, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

A head stack assembly includes a head stack assembly main body moving a head across a disk, and rotating around a predetermined pivot shaft. The head stack assembly also includes a center of gravity compensation portion coupled to the head stack assembly main body and compensating for imbalances in the center of gravity of the head stack assembly main body to be not more than a reference imbalance value. The reference imbalance value is based on an imbalance value of the center of gravity of the head stack assembly main body measured with respect to a rotational center of the pivot shaft.


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