Extended pinned layer on top of lead/HB to avoid amplitude...

Details Extended pinned layer on top of lead/HB to avoid amplitude... Extended pinned layer on top of lead/HB to avoid amplitude...

2007-05-15

2007-05-15

Miller, Brian E. (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

10878820

ABSTRACT:
A magnetoresistive sensor having a self pinned structure formed above a free layer and having a pinning stabilization structure to avoid flipping of the magnetic moment of the pinned layer. The pinned layer stabilization structure includes hard magnetic structures formed over the leads in an area outside of the active area of the sensor, and a magnetic layer extends over the active area of the sensor and over the hard magnetic structures outside of the active area of the sensor.

REFERENCES:
patent: 2003/0043503 (2003-03-01), Grigoryevich et al.
patent: 2003/0133233 (2003-07-01), Gill et al.
patent: 2003/0179500 (2003-09-01), Gill et al.
patent: 2003/0231437 (2003-12-01), Childress et al.
patent: 2005/0007707 (2005-01-01), Gill
patent: 2005/0180061 (2005-08-01), Ding et al.
patent: 2005/0243475 (2005-11-01), Heim
patent: 2005/0249979 (2005-11-01), Gill

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