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. 15, 2012
Filed:
Mar. 05, 2008
Zhigang Bai, Milpitas, CA (US);
Lisha Wang, Fremont, CA (US);
Tao Pan, San Jose, CA (US);
Yugang Wang, Milpitas, CA (US);
Matthew R. Gibbons, San Jose, CA (US);
Sining Mao, Fremont, CA (US);
Zhigang Bai, Milpitas, CA (US);
Lisha Wang, Fremont, CA (US);
Tao Pan, San Jose, CA (US);
Yugang Wang, Milpitas, CA (US);
Matthew R. Gibbons, San Jose, CA (US);
Sining Mao, Fremont, CA (US);
Western Digital (Fremont), LLC, Fremont, CA (US);
Abstract
A method and system for providing a magnetic transducer for recording to media is described. The method and system include providing a first pole, a main pole, an auxiliary pole, and at least one coil. The main pole has a first media-facing surface including a recessed portion and a write portion. The auxiliary pole is magnetically coupled with the main pole and has a second media-facing surface. The second media-facing surface includes a first portion and a second portion. The first portion is in proximity to the write portion of the first media-facing surface of the main pole. The second portion is in proximity to and recessed from the recessed portion of the first media-facing surface of the main pole. The coil(s) are for energizing the main pole.