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:
May. 20, 2014
Filed:
Feb. 20, 2013
Hgst Netherlands B.v., Amsterdam, NL;
Wen-Chien D. Hsiao, San Jose, CA (US);
Shiwen Huang, Fremont, CA (US);
Edward H. P. Lee, San Jose, CA (US);
Valeri Synogatch, San Jose, CA (US);
Sue S. Zhang, Saratoga, CA (US);
Yi Zheng, San Ramon, CA (US);
Yuming Zhou, Lakeville, MN (US);
HGST Netherlands B.V., Amsterdam, NL;
Abstract
In one embodiment, a magnetic head includes a main pole having a trapezoidal cross-section at a media-facing surface thereof and a flared shape with a greater width in a cross-track direction at positions away from the media-facing surface, a leading shield positioned near a leading side of the main pole, wherein a leading gap is provided between the main pole and the leading shield, side shields positioned on both sides of the main pole in the cross-track direction adjacent the media-facing surface of the main pole, with side gaps provided between the main pole and both of the side shields, and a trailing gap provided on a trailing side of the main pole at the media-facing surface thereof, with a throat height of the side shields being less than the throat height of the side shields at a position closer to the trailing gap than the leading gap.