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. 26, 2016
Filed:
Apr. 01, 2015
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
Kurt Charles Wiesen, Lyons, CO (US);
Peter S. Harllee, III, Boulder, CO (US);
Randall Clement Bauck, Longmont, CO (US);
Assignee:
Seagate Technology LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/02 (2006.01); G11B 5/09 (2006.01); G11B 20/12 (2006.01);
U.S. Cl.
CPC ...
G11B 20/1217 (2013.01); G11B 2020/1238 (2013.01);
Abstract
Devices including at least one storage disc having a recording surface segmented into a plurality of radial zones, each radial zone having an inner diameter and an outer diameter, each of the plurality of zones having a plurality of concentric tracks; and a track density ramp ratio assigned to each of the plurality of zones, where the track density ramp ratio describes an increase in the track density from the inner diameter of the zone to the outer diameter of the zone.