Current perpendicular to plane (CPP) magnetic read head

Details Current perpendicular to plane (CPP) magnetic read head Current perpendicular to plane (CPP) magnetic read head

2009-12-18

2011-11-22

Feild, Joseph (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Reexamination Certificate

active

08064159

ABSTRACT:
One general embodiment of the present invention is a magnetic read head including a magnetoresistive sensor where sense current flows in a stacking direction of the magnetoresistive sensor, i.e., perpendicular to the plane of the layers of the head. The magnetoresistive sensor comprises a free layer having a magnetization direction that is affected by external magnetic fields and includes a Heusler alloy layer and a Co-based amorphous metal layer, a fixed layer which is stacked with the free layer and has a fixed magnetization direction, and a non-magnetic intermediate layer between the free layer and the fixed layer.

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