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:
May. 13, 2008
Filed:
May. 31, 2005
Taro Oike, Tokyo, JP;
Hiraku Hirabayashi, Tokyo, JP;
Shin Narushima, Tokyo, JP;
Takamitsu Sakamoto, Tokyo, JP;
Kiyoshi Noguchi, Tokyo, JP;
Taro Oike, Tokyo, JP;
Hiraku Hirabayashi, Tokyo, JP;
Shin Narushima, Tokyo, JP;
Takamitsu Sakamoto, Tokyo, JP;
Kiyoshi Noguchi, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
A thin-film magnetic head comprising an inductive element including at least: a lower magnetic pole; a write gap layer; and an upper magnetic pole opposed to the lower magnetic pole through the write gap layer, a width Win a track-width direction at a facing-to-magnetic-medium top end of the upper magnetic pole being larger than a width Win the track-width direction at a facing-to-magnetic-medium top end of the lower magnetic pole, and a distance FPDbetween the top end of the upper magnetic pole and a flare point of the upper magnetic pole being smaller than a distance FPDbetween the top end of the lower magnetic pole and a flare point of the lower magnetic pole, is provided.