Magnetoresistive spin-valve sensor and magnetic storage...

Stock material or miscellaneous articles – Magnetic recording component or stock – Magnetic head

Reexamination Certificate

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C428S814000, C428S816000, C360S324000

Reexamination Certificate

active

07087324

ABSTRACT:
A magnetoresistive spin-valve sensor is constructed to include a magnetic layer, a specular layer made of a metal oxide, a back layer made of Au, Cu, AuCu, AgCu, AuAgCu or an alloy thereof and interposed between the magnetic layer and the specular layer, and a metal layer disposed adjacent to the specular layer, opposite to the back layer, and made of a metal which improves GMR performance of the magnetoresistive spin-valve sensor.

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patent: 6181534 (2001-01-01), Gill
patent: 6495275 (2002-12-01), Kamiguchi et al.
patent: 0 845 820 (1998-06-01), None
patent: 10-313138 (1998-11-01), None
patent: WO 00/63714 (2000-10-01), None
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de Vries et al.; “Oscillatory Interlayer Exchange Coupling with the Cu Cap Layer Thickness in Co/Cu/Co/Cu (100)”;Phys. Rev. Lett; vol. 75, pp. 4306; 1995.
Ueno et al.; “Read-Write Performance of Spin-Filter-Spin-Valve Heads”;IEEE Trans. on Magnetics; vol. 36, No. 5; pp. 2572-2574; Sep. 2000.
Swagten et al.; “Enhanced Giant Magnetoresistance in Spin-Valves Sandwiched Between Insulating NiO”;Physical Review; vol. 53, No. 14, Part 2; pp. 9109-9114.
Wang et al.; “Effect of Au Underlayers on GMR Properties of NiFe/Cu/CoFe Sandwiches”;IEEE Trans. on Magnetics; vol. 32, No. 5; pp. 4728-4730; Sep. 1996.
Hong et al.; “Effect of Thin Oxide Capping on Interlayer Coupling in Spin Valves”;IEEE Trans. on Magnetics; vol. 36, No. 5; Sep. 2000; pp. 2629-2631.

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