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:
Apr. 23, 2019
Filed:
Jun. 07, 2018
Western Digital Technologies, Inc., San Jose, CA (US);
James B. French, Jr., Whitefish, MT (US);
Western Digital Technologies, Inc., San Jose, CA (US);
Abstract
A data storage device is disclosed comprising a first head actuated over a first disk surface comprising a first spiral track written from an outer diameter (OD) of the first disk surface to an inner diameter (ID) of the first disk surface, and a second head actuated over a second disk surface comprising a second spiral track written from an ID of the second disk surface to an OD of the second disk surface. A seek operation of the first head over the first disk surface is performed in order to access the first disk surface by reading the second spiral track from the second disk surface, seeking the second head over the second disk surface based on reading the second spiral track, and after seeking the second head over the second disk surface, accessing the first disk surface using the first head.