Thin film magnetic head, magnetic head device and magnetic...

Details Thin film magnetic head, magnetic head device and magnetic... Thin film magnetic head, magnetic head device and magnetic...

2006-03-28

2006-03-28

Klimowicz, William J (Department: 2652)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

07019948

ABSTRACT:
A thin film magnetic head has a reading element including a magnetoresistive effective film, a pair of magnetic domain-controlling films and a pair of electrode films. The magnetic domain-controlling films are provided both sides of the magnetoresistive effective film in a track width direction, respectively, so that the depth of the magnetic domain-controlling films is set equal to the depth of the magnetoresistive effective film in a depth direction perpendicular to the track width direction. The electrode films are provided on the magnetic domain-controlling films so as to have elongated portions, respectively, beyond a region where the depth of the magnetic domain-controlling films is set equal to the depth of the magnetoresistive effective film.

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