Thin film magnetic head comprising metal layer and having...

Details Thin film magnetic head comprising metal layer and having... Thin film magnetic head comprising metal layer and having...

2007-05-21

2010-10-12

Evans, Jefferson (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

C360S324120

Reexamination Certificate

active

07813086

ABSTRACT:
Producing a thin film magnetic head includes forming a pair of openings in a predetermined region of a TMR layer formed on a lower magnetic shield layer; forming a pair of bias-applying layers in the pair of openings so that an upper surface thereof is located above an upper surface of the TMR layer; laminating a metal layer that covers the upper surface of a portion located between the pair of bias-applying layers in the TMR layer and the upper surface of the pair of bias-applying layers; forming a resist layer across the upper surface of a portion located above the pair of bias-applying layers in the metal layer and the upper surface of a portion located above the TMR layer in the metal layer; and etching a part of the TMR layer and a part of the pair of bias-applying layers with the resist layer being as a mask.

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patent: A-10-049829 (1998-02-01), None
patent: A-2005-135514 (2005-05-01), None
patent: A-2005-251254 (2005-09-01), None

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