Magnetoresistive sensor containing self-pinned layer...

Details Magnetoresistive sensor containing self-pinned layer... Magnetoresistive sensor containing self-pinned layer...

2007-12-18

2007-12-18

Heinz, A. J. (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

11156677

ABSTRACT:
A first magnetic sublayer constituting a pinned magnetic layer is provided in contact with a first magnetostriction-enhancing layer to increase the magnetostriction constant of the first magnetic sublayer. In addition, a nonmagnetic intermediate sublayer constituting the pinned magnetic layer is made of a material having a lattice constant larger than that of Ru, such as a Ru—X alloy, to distort the crystal structures of the first magnetic sublayer and a second magnetic sublayer each in contact with the nonmagnetic intermediate sublayer, increasing the magnetostriction constants of the first magnetic sublayer and the second magnetic sublayer.

REFERENCES:
patent: 5583725 (1996-12-01), Coffey et al.
patent: 8-7235 (1996-12-01), None
patent: 2002-092826 (2002-03-01), None
patent: 2002-150512 (2002-05-01), None
patent: 2002-319112 (2002-10-01), None
patent: 2003-031867 (2003-01-01), None

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