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:
Sep. 04, 2012
Filed:
May. 23, 2008
Zhigang Bai, Milpitas, CA (US);
Suping Song, Fremont, CA (US);
Matthew R. Gibbons, San Jose, CA (US);
Sining Mao, Fremont, CA (US);
Zhigang Bai, Milpitas, CA (US);
Suping Song, Fremont, CA (US);
Matthew R. Gibbons, San Jose, CA (US);
Sining Mao, 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, at least one coil and at least one auxiliary pole. The main pole is for providing a magnetic field for recording to the media. The coil(s) are for energizing the main pole. The auxiliary pole is magnetically coupled with the main pole. The shield(s) are for magnetically isolating a portion of the magnetic transducer. At least one of the first pole, the auxiliary pole, and the at least one shield includes a composite magnetic material including a plurality of ferromagnetic grains in an insulating matrix.