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:
Mar. 06, 2001
Filed:
Jun. 08, 1999
Mitsuhiro Kitao, Tokyo, JP;
Hiroki Nakazawa, Tokyo, JP;
Keiichi Shibata, Tokyo, JP;
Monjiro Momoi, Tokyo, JP;
Noboru Yamanaka, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
The present invention is directed to a thin film magnetic head and its manufacturing method. A slider,is provided with base body surfaces,and,at its surface facing opposite a medium. An inductive thin film magnetic transducer,is provided with a first pole tip P,and a second pole tip P,whose front ends emerge at the base body surfaces,and,and indented portions,and,provided at the base body surfaces,and,A protective film,covers the base body surfaces,and,and indented portions,and,The thickness of the protective film,at the indented portions,and,is larger than the thickness at the base body surfaces,and,The magnetic films constituting the pole tips P,and P,can thus be reliably protected from oxidation, corrosion and the like, while minimizing the spacing loss.