Magnetic head for a magnetic disk having a slider with indented

Details Magnetic head for a magnetic disk having a slider with indented Magnetic head for a magnetic disk having a slider with indented

1997-10-20

1999-11-02

Miller, Brian E.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 2121

Patent

active

059781769

ABSTRACT:
The present invention is directed to provide a magnetic head that is capable of effectively preventing TA noise.
A slider 1 is provided with air bearing surfaces 111 and 121. Electromagnetic conversion elements 2 and 3, which are provided toward the trailing edge TR of the slider 1, perform electromagnetic conversion at the air bearing surfaces 111 and 121. The slider 1 is provided with indented portions 114 and projecting portions 115 at the air bearing surfaces 111 and 121 where the electromagnetic conversion elements 2 and 3 are provided. The indented portions 114 are provided in the areas corresponding to the width W2 of the electromagnetic conversion elements 2 and 3 viewed in the direction of the track width further toward the trailing edge TR than the electromagnetic conversion elements 2 and 3. The projecting portions 115 are provided adjacent to the indented portions 114 further projecting out compared to the indented portions 114.

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