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:
Aug. 15, 2017
Filed:
Jul. 06, 2016
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
Vijayaharan A. Venugopal, Londonderry, GB;
Beverley R. McConnell, Londonderry, GB;
Marcus B. Mooney, Letterkenny, IE;
Mark A. Gubbins, Quigley's Point, IE;
Assignee:
Seagate Technology LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/33 (2006.01); G11B 5/60 (2006.01);
U.S. Cl.
CPC ...
G11B 5/6082 (2013.01); G11B 5/33 (2013.01);
Abstract
A data writer can have at least a write pole separated from a return pole by a non-magnetic lamination. The non-magnetic lamination may consist of first, second, and third non-magnetic materials that are each different and configured to provide a physical protrusion on an air bearing surface of less than 4 Angstroms.