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Thin-film magnetic head, head gimbal assembly, and hard disk drive
   
Document Number
US Patent 7420776
Issued Date
September 2, 2008
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Abstract
A thin-film magnetic head comprises at least one of a magnetoresistive device for reading and an electromagnetic transducer device for writing, and a heating element provided in the head body part. The heating element has an up portion meandering between an origin and a halfway point and a down portion meandering along the up portion from the halfway point to an end positioned in the vicinity of the origin, and adapted to generate heat when energized.
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Number of Claims:
9
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Owner
TDK Corporation (Tokyo,JP)
Published
September 2, 2008
Application Number
11/645,505
Filed
December 27, 2006
US Classification
360/128  
Int'l Classification
G11B   21/02   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
Parent Case
This is a Divisional of U.S. patent application Ser. No. 10/778,228 filed on Feb. 17, 2004, now U.S. Pat. No. 7,187,521, which is hereby incorporated by reference in its entirety. This application claims priority to Japanese Patent Application No. 2003-049879 filed Feb. 26, 2003, which is hereby incorporated by reference in its entirety.
Priority Data
Feb 20, 2003 [JP] 2003-049879
USPTO Field of Search
360/128  
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