Dynamic magnetic information storage or retrieval – Head – Magnetoresistive reproducing head
Reexamination Certificate
2011-08-02
2011-08-02
Cao, Allen T (Department: 2627)
Dynamic magnetic information storage or retrieval
Head
Magnetoresistive reproducing head
Reexamination Certificate
active
07990660
ABSTRACT:
An improved CPP magnetic read device whose oxide barrier comprises at least two separate CCP layers is disclosed. These two CCP layers differ in the PIT and IAO treatments that they received relative to the PIT/IAO treatment that would be used when only a single CCP layer is formed.
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Chen Yu-Hsia
Li Min
Zhang Kunliang
Ackerman Stephen B.
Cao Allen T
Headway Technologies Inc.
Saile Ackerman LLC
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