Method of forming a thin film magnetic head

Details Method of forming a thin film magnetic head Method of forming a thin film magnetic head

2007-02-20

2007-02-20

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S603120, C029S603140, C029S603160, C029S603180, C360S313000

Reexamination Certificate

active

10949966

ABSTRACT:
In a thin-film magnetic head having a multilayered film developing a magnetoresistive effect, which is present between an upper shielding layer and a lower shielding layer both formed above an AlTiC substrate, a recess for defining the lower shielding layer is formed in an underlayer present on a surface of the AlTiC substrate, and a lower shielding layer made of NiFe is provided in the recess. A SiO2film is interposed between the underlayer and the lower shielding layer.

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