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:
Mar. 04, 2014
Filed:
Jun. 29, 2010
Lionel Young, San Francisco, CA (US);
John R. Gustafson, Los Gatos, CA (US);
Scott E. Watson, San Jose, CA (US);
Dana C. Fisher, Berthoud, CO (US);
Brian L. Rappel, Lyons, CO (US);
Andrew A. Lucas, Lyons, CO (US);
Lionel Young, San Francisco, CA (US);
John R. Gustafson, Los Gatos, CA (US);
Scott E. Watson, San Jose, CA (US);
Dana C. Fisher, Berthoud, CO (US);
Brian L. Rappel, Lyons, CO (US);
Andrew A. Lucas, Lyons, CO (US);
Western Digital Technologies, Inc., Irvine, CA (US);
Abstract
A disk drive includes an enclosure that has a breather port therethrough. A first labyrinth path may be disposed inside the disk drive enclosure, in fluid connection with the breather port. A second labyrinth path may be temporarily disposed outside the disk drive enclosure, in fluid connection with the breather port. An alternative gas such as helium may be allowed to bleed out through the second labyrinth path during a period of servo track writing. The second labyrinth path may be removed after servo track writing.