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.:
Date of Patent:
Nov. 12, 2002
Filed:
May. 31, 2000
Chayakorn Thanomsat, Bloomington, MN (US);
David Douglass Koester, Chanhassen, MN (US);
Roger Alan Resh, Prior Lake, MN (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
Apparatus and method for cooling the actuator coil with a suitable heat sink structure. The heat sink thermally couples the coil to one or more of the head-carrying arms, which are positioned close enough to the disc stack that rotation of the stack cools them. In one embodiment, a gap is formed between the coil and a thermal conduit, and the gap is made wide enough to allow a majority of the gap to be filed with a solid dielectric. Another embodiment is a method for controlling the minimum gap thickness. In yet another embodiment, a rotary actuator includes a heat conduit with a concave surface for bonding to the coil, increasing rigidity and thermal conduction.