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.

Date of Patent:
Jun. 27, 2017

Filed:

Oct. 27, 2016
Applicant:

Western Digital Technologies, Inc., Irvine, CA (US);

Inventor:

Yong Hu, San Ramon, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/60 (2006.01);
U.S. Cl.
CPC ...
G11B 5/6082 (2013.01); G11B 5/6005 (2013.01);
Abstract

Disclosed herein are hard disk drive sliders having an air-bearing surface (ABS) with an efficiency-flattening hole (EFH). The sliders comprise a trailing edge pad that has a first surface at a first level with a first perimeter, a second surface at a second level, the second level being below the first level, the second surface being substantially parallel to the first surface, the second surface having a second perimeter, wherein the second perimeter is within the first perimeter, and a third surface at a third level, the third level being below the second level, the third surface being substantially parallel to the first and second surfaces, the third surface having a third perimeter, wherein the third perimeter is within the second perimeter.


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Hu, Yong. (2017). Slider air-bearing surface designs with efficiency-flattening hole (U.S. Patent No. 9691422). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9691422

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