Magnetoresistive device including pinned structure with a...

Details Magnetoresistive device including pinned structure with a... Magnetoresistive device including pinned structure with a...

2006-01-24

2006-01-24

Evans, Jefferson (Department: 2652)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

06989975

ABSTRACT:
A magnetoresistive device includes a free ferromagnetic layer; a pinned structure; and a spacer layer between the free layer and the pinned structure. The pinned structure may include first, second and third ferromagnetic layers that are ferromagnetically coupled. The first and third layers are separated by the second layer. The second layer has a lower magnetic moment than the first and third layers. In the alternative, the pinned structure may include a single layer of Co50Fe50.

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