Thin-film magnetic head comprising magneto-resistive effect...

Details Thin-film magnetic head comprising magneto-resistive effect... Thin-film magnetic head comprising magneto-resistive effect...

2007-07-31

2010-10-05

Klimowicz, William J (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

C360S324100

Reexamination Certificate

active

07808750

ABSTRACT:
The thin-film magnetic head of the invention comprises a magneto-resistive effect device including a multilayer film and a bias mechanism portion including a bias magnetic field-applying layer formed on each widthwise end of the multilayer film. When the magneto-resistive effective device including a multilayer film and the bias mechanism portion are viewed in plane on their own, the uppermost extremity of the rear end of the magneto-resistive effect device and the uppermost extremity of the rear end of the bias mechanism portion lie at substantially the same depth-wise position, and the rear slant of the bias mechanism portion is gentler in gradient than the rear slat of the magneto-resistive effect device. It is thus possible just only to facilitate the fabrication of the device but also to achieve several advantages of being a lower rate of occurrence of noise, higher reliability and higher yields.

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patent: 8-147633 (1996-06-01), None
patent: 2005-38556 (2005-02-01), None
patent: 2005-251254 (2005-09-01), None

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