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.:

US 8325443 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 04, 2012

Filed:

Feb. 05, 2010
Applicants:

Eiji Ishii, Hitachinaka, JP;

Mari Uchida, Tsuchiura, JP;

Masanori Ishikawa, Tsuchiura, JP;

Inventors:

Eiji Ishii, Hitachinaka, JP;

Mari Uchida, Tsuchiura, JP;

Masanori Ishikawa, Tsuchiura, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/60 (2006.01); G11B 15/64 (2006.01); G11B 17/32 (2006.01); G11B 21/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A magnetic disk device includes a magnetic disk and a magnetic head having a magnetic head slider flying by an action of air during rotation of the magnetic disk, wherein an inflow of air from a direction of a leading side face of the magnetic head slider forming an air bearing film effect at an air bearing surface face of the magnetic head slider which faces the magnetic disk, and the air flows out from a trailing side face of the magnetic head slider. The magnetic head slider has a wettability, in at least a part of an outer region defined on the trailing side face and adjoining other faces including the air bearing surface face of the magnetic head slider, which is lower than a wettability of at least one other region present at the trailing side face.


Find Patent Forward Citations

Ishii, Eiji. (2012). Magnetic disk device with magnetic head slider having trailing side face part with reduced wettability (U.S. Patent No. 8325443). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8325443

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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