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:
Jun. 02, 2015
Filed:
Nov. 21, 2008
Applicants:
Mikito Sugiyama, Kanagawa, JP;
Isao Nunokawa, Kanagawa, JP;
Hiroyuki Hoshiya, Kanagawa, JP;
Inventors:
Assignee:
HGST Netherlands B.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01); G11B 5/11 (2006.01); G11B 5/31 (2006.01);
U.S. Cl.
CPC ...
G11B 5/1278 (2013.01); G11B 5/112 (2013.01); G11B 5/3116 (2013.01); G11B 5/3146 (2013.01); G11B 5/315 (2013.01); G11B 5/3163 (2013.01);
Abstract
Embodiments of the present invention provide a perpendicular magnetic recording head which can suppress reduction in recording field and efficiently reduce a fringe field. According to one embodiment, a side shield disposed at a side of each side face in a cross track direction of a main pole is arranged at a far leading side compared with the main pole.