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:
Jul. 11, 2017
Filed:
May. 25, 2016
Applicant:
Hgst Netherlands B.v., Amsterdam, NL;
Inventors:
Weidong Huang, Palo Alto, CA (US);
Akiko Tadamasa, Fujisawa, JP;
Assignee:
Western Digital Technologies, Inc., Irvine, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/60 (2006.01);
U.S. Cl.
CPC ...
G11B 5/6082 (2013.01);
Abstract
Disclosed herein are hard disk drive sliders having one or more tunnels between the leading-edge surface of the slider and the air-bearing surface (ABS) that may be used to control the pitch and/or fly height of the slider. A slider comprises a leading-edge surface, an ABS, and a tunnel having an entry area at the leading-edge surface and an exit area at the ABS, the tunnel for directing gas impinging on the entry area through the slider and out the exit area toward a surface of a hard disk. The tunnel may be a convergent tunnel. The tunnel may include two or more branches.