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:
Apr. 23, 2013
Filed:
Aug. 08, 2005
Applicants:
Danning Yang, Fremont, CA (US);
Lei Wang, Fremont, CA (US);
Yingjian Chen, Fremont, CA (US);
Brant Nease, Fremont, CA (US);
Kyusik Sin, Pleasanton, CA (US);
Inventors:
Danning Yang, Fremont, CA (US);
Lei Wang, Fremont, CA (US);
Yingjian Chen, Fremont, CA (US);
Brant Nease, Fremont, CA (US);
Kyusik Sin, Pleasanton, CA (US);
Assignee:
Western Digital (Fremont), LLC, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and system for manufacturing a pole on a recording head is disclosed. The method and system include sputtering at least one ferromagnetic layer and fabricating a hard mask on the ferromagnetic layer. The method and system also include defining the pole and depositing a write gap on the pole. A portion of the pole is encapsulated in an insulator.