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:
Jan. 27, 2015
Filed:
Jun. 18, 2012
Kimitoshi Etoh, Odawara, JP;
Mikito Sugiyama, Odawara, JP;
Hisashi Kimura, Odawara, JP;
Kazuhiko Hosomi, Fujisawa, JP;
Kimitoshi Etoh, Odawara, JP;
Mikito Sugiyama, Odawara, JP;
Hisashi Kimura, Odawara, JP;
Kazuhiko Hosomi, Fujisawa, JP;
HGST Netherlands B.V., Amsterdam, NL;
Abstract
In one embodiment, a perpendicular magnetic recording head includes a main magnetic pole; a leading shield below a leading side of the main magnetic pole; a leading gap between the leading shield and the main magnetic pole; a trailing shield above a trailing side of the main magnetic pole; a trailing gap between the trailing shield and the main magnetic pole; and a nonmagnetic leading bump between the main magnetic pole and the leading shield. Additional embodiments are also disclosed.