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. 17, 2015
Filed:
Apr. 24, 2014
Western Digital Technologies, Inc., Irvine, CA (US);
Charles A. Park, Aromas, CA (US);
Jianbin Nie, Fremont, CA (US);
Edgar D. Sheh, San Jose, CA (US);
Brian P. Rigney, Louisville, CO (US);
Siri S. Weerasooriya, Campbell, CA (US);
Western Digital Technologies, Inc., Irvine, CA (US);
Abstract
A data storage device is disclosed comprising a disk surface comprising a first spiral track, and a head actuated over the disk surface. While reading the first spiral track on the disk surface, a second spiral track is simultaneously written on the disk surface. In one embodiment, the second spiral track is written in an opposite radial direction as the first spiral track, and in another embodiment the second spiral track is written in the same radial direction as the first spiral track.