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Thin-film magnetic head, head gimbal assembly, and hard disk drive
   
Document Number
US Patent 7187521
Issued Date
March 6, 2007
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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:
10
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Owner
TDK Corporation (Tokyo,JP)
Published
March 6, 2007
Application Number
10/778,228
Filed
February 17, 2004
US Classification
360/128  
Int'l Classification
G11B   5/31   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
Priority Data
Feb 26, 2003 [JP] 2003-049879
USPTO Field of Search
360/128  
Related Patents
7595960 - Thin film magnetic head having heating element - Owned by TDK Corporation (Tokyo,JP)

A thin film magnetic head is provided. The thin film magnetic head includes a read head and a write head, a heating element, or the combination thereof. The heating element includes a heating conductor layer and a high-melting-point-material layer disposed so as to at least partially overlap the heating conductor layer. Electromigration in the heating conductor layer can be suppressed.

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