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:
Jul. 21, 2015
Filed:
Mar. 18, 2013
Tdk Corporation, Tokyo, JP;
Tatsuhiro Nojima, Tokyo, JP;
Ken Fujii, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
Method for manufacturing a magnetic head includes providing a stopper layer on an upper surface of a main magnetic pole layer applying a magnetic flux to a recording medium via a first insulation layer, providing a second insulation layer on the upper surface of the first insulation layer to cover at least an entire surface of the stopper layer, covering an upper surface portion of the second insulation layer with a mask layer, forming a height difference portion by removing at least a first insulation layer portion not covered by the mask layer by etching to at least partially remove at least a stopper layer portion in a film thickness direction, and subsequently by removing the mask layer, forming a electrode film in the height difference portion, and forming a plating film, which is a magnetic shield for the main magnetic pole layer, on an upper surface of the electrode.