Dynamic magnetic information storage or retrieval – Head – Magnetoresistive reproducing head
Reexamination Certificate
2006-05-02
2006-05-02
Heinz, A. J. (Department: 2653)
Dynamic magnetic information storage or retrieval
Head
Magnetoresistive reproducing head
Reexamination Certificate
active
07038892
ABSTRACT:
An apparatus having improved hard bias properties of layers of a magnetoresistance sensor is disclosed. Properties of the hard bias layer are improved using a seedlayer structure that includes at least a layer of silicon and a layer comprising chromium or chromium molybdenum. Further, benefits are achieved when the seedlayer structure includes a layer of tantalum.
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Chau Phong V.
Freitag James Mac
Pinarbasi Mustafa Michael
Zeng Hua Ai
Zolla Howard Gordon
Chambliss Bahner & Stophel P.C.
Heinz A. J.
Hitachi Global Storage Technologies - Netherlands B.V.
Lynch David W.
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