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. 23, 2012
Filed:
Jul. 22, 2011
Yoshitaka Sasaki, Santa Clara, CA (US);
Kazuki Sato, Milpitas, CA (US);
Hiroyuki Ito, Milpitas, CA (US);
Kazumasa Yasuda, Sunnyvale, CA (US);
Atsushi Iijima, Hong Kong, CN;
Yoshitaka Sasaki, Santa Clara, CA (US);
Kazuki Sato, Milpitas, CA (US);
Hiroyuki Ito, Milpitas, CA (US);
Kazumasa Yasuda, Sunnyvale, CA (US);
Atsushi Iijima, Hong Kong, CN;
Headway Technologies, Inc., Milpitas, CA (US);
SAE Magnetics (H.K.) Ltd., Hong Kong, CN;
Abstract
A magnetic head includes a main pole, a write shield, and a gap part. The write shield includes first and second side shields and a top shield. The main pole has first and second side parts. The first side shield has a first sidewall. The second side shield has a second sidewall. The gap part includes a gap film and a nonmagnetic layer. The gap film is disposed to be in contact with the first and second sidewalls. The first side part has first and third side surfaces arranged in this order from the medium facing surface side. The second side part has second and fourth side surfaces arranged in this order from the medium facing surface side. The nonmagnetic layer is present between the third side surface and the first sidewall and between the fourth side surface and the second sidewall.