Method for manufacturing a magnetoresistive-effect device

Dynamic magnetic information storage or retrieval – Head – Magnetoresistive reproducing head

Reexamination Certificate

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Details

C204S192150, C204S192200, C204S298250, C427S128000, C427S129000

Reexamination Certificate

active

07733613

ABSTRACT:
A magnetic disk apparatus having a highly sensitive reproducing head and a method for manufacturing the magnetic disk apparatus are disclosed. A spin-value-type multilayer film composed of an antiferromagnetic layer, a ferromagnetic layer, a nonmagnetic layer and a free magnetic layer is used as a magnoresistive-effect device for the reproducing head. An antiferromagnetic reaction layer is formed between the antiferromagnetic layer and the ferromagnetic layer. The antiferromagnetic reaction layer is formed of a metallic compound containing oxygen.

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