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:
Jul. 29, 2003

Filed:

Oct. 24, 2001
Applicant:
Inventors:

Aaron Steve Macpherson, Ft. Collins, CO (US);

Rishi Kant, Boulder, CO (US);

Gary F. Kelsic, Longmont, CO (US);

Assignee:

Seagate Technology LLC, Scotts Valley, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/55 ;
U.S. Cl.
CPC ...
G11B 5/55 ;
Abstract

A thermally conducting and electrically insulating overmold encapsulates and supports an actuator coil in a disc drive assembly. The overmold is made from a base resin mixed with a ceramic filler compound such as boron nitride, alumina, aluminum nitride, magnesium oxide, zinc oxide, silicon carbide, beryllium oxide, chromium oxide or some combination thereof. The base resin is preferably polypheneline sulfide. Glass filler and/or a coupling agent are also preferably added. The overmold reduces off track read/write head position errors due to popping caused by thermal expansion and contraction of the actuator coil.


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