Method and system for providing high sensitivity giant...

Details Method and system for providing high sensitivity giant... Method and system for providing high sensitivity giant...

2005-05-03

2005-05-03

Blouin, Mark (Department: 2653)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

C360S324110, C360S324120, C360S324200

Reexamination Certificate

active

06888704

ABSTRACT:
A method and system for providing a magnetoresistive sensor and a read head that includes the magnetoresistive sensor is disclosed. The method and system include providing a pinned layer, a nonmagnetic spacer layer and a composite sensor layer. The pinned layer has a first magnetization that is pinned in a particular direction. The nonmagnetic spacer layer resides between the composite sensor layer and the pinned layer. The composite sensor layer includes a CoFe layer and a composite layer adjacent to the CoFe layer. The composite layer includes CoFe and at least one of Ta, Hf, Ti, Nb, Zr, Au, Ag, Cu, B, C, O2, H2and N2.

REFERENCES:
patent: 6249406 (2001-06-01), Gill et al.
patent: 6381106 (2002-04-01), Pinarbasi
patent: 6614630 (2003-09-01), Horng et al.
patent: 6624985 (2003-09-01), Freitag et al.
patent: 20030123201 (2003-07-01), Choe

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