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:
Oct. 16, 2012
Filed:
Dec. 06, 2010
Yoshitaka Sasaki, Santa Clara, CA (US);
Kazuki Sato, Milpitas, CA (US);
Hiroyuki Ito, Milpitas, CA (US);
Takehiro Horinaka, Milpitas, CA (US);
Kazumasa Yasuda, Sunnyvale, CA (US);
Yoshitaka Sasaki, Santa Clara, CA (US);
Kazuki Sato, Milpitas, CA (US);
Hiroyuki Ito, Milpitas, CA (US);
Takehiro Horinaka, Milpitas, CA (US);
Kazumasa Yasuda, Sunnyvale, CA (US);
Headway Technologies, Inc., Milpitas, CA (US);
Abstract
A magnetic head includes a main magnetic pole, a shield having an end face located in a medium facing surface to wrap around an end face of the main magnetic pole, and a gap part provided between the main magnetic pole and the shield. The shield includes a bottom shield, two side shields, and a top shield. The gap part includes first and second gap layers. In a manufacturing method of the magnetic head, a mold is formed on the top surface of the bottom shield, the mold having a shape determined by photolithography and being intended to be removed later. Next, the two side shields are formed on the top surface of the bottom shield by performing plating without forming a seed layer. Next, the mold is removed and then the first gap layer, the main magnetic pole, the second gap layer, and the top shield are formed in succession.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile