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. 13, 2011
Filed:
Oct. 24, 2007
Ki Sup Chung, Sunnyvale, CA (US);
Kyusik Sin, Pleasanton, CA (US);
Danning Yang, Fremont, CA (US);
Yingjian Chen, Fremont, CA (US);
Brant Nease, Fremont, CA (US);
Ki Sup Chung, Sunnyvale, CA (US);
Kyusik Sin, Pleasanton, CA (US);
Danning Yang, Fremont, CA (US);
Yingjian Chen, Fremont, CA (US);
Brant Nease, Fremont, CA (US);
Western Digital (Fremont), LLC, Fremont, CA (US);
Abstract
A method and system for manufacturing a pole for a magnetic recording head. The method and system include providing an insulator and fabricating at least one hard mask on the insulator. The at least one hard mask has an aperture therein. The method and system also include removing a portion of the insulator to form a trench within the insulator. The trench is formed under the aperture. The method and system further include depositing at least one ferromagnetic material. The pole includes a portion of the ferromagnetic material within the trench.