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:
Aug. 19, 2008
Filed:
Aug. 25, 2004
Kenichiro Aoki, Kawasaki, JP;
Toshinori Hoshino, Kawasaki, JP;
Toshiyuki Nakada, Kawasaki, JP;
Keiji Aruga, Kawasaki, JP;
Hiroshi Maeda, Kawasaki, JP;
Kenichiro Aoki, Kawasaki, JP;
Toshinori Hoshino, Kawasaki, JP;
Toshiyuki Nakada, Kawasaki, JP;
Keiji Aruga, Kawasaki, JP;
Hiroshi Maeda, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A magnetic head structure has a coil and a magnetic pole allowing a magnetic flux generated by the coil to be transmitted therethrough and forming a magnetic gap. An insulating layer surrounds the coil, and a protective layer covers the insulating layer and the magnetic pole. The insulating layer has a volume equal to or greater than a value which is determined with respect to a thickness of the protective layer. It is preferable to increase the volume of the insulating layer as the thickness of the protective layer is made greater. By increasing the volume of the insulating layer, the protrusion of a portion of a floating surface of the magnetic head slider near the magnetic pole, toward the disk, is reduced.