Patent ID: 6519120
Filing Date: 2003-02-11
Classification: B82Y,G01R,G11B

Abstract:
A spin-valve (SV) magnetoresistive sensor, comprising:a seed layer of non-magnetic alloy of Niâ€”Feâ€”Cr deposited on a substrate; a free layer of ferromagnetic material deposited over said seed layer; a spacer layer of non-magnetic material deposited over said free layer; an AP-pinned layer deposited over said spacer layer, said AP-pinned layer comprising first and second ferromagnetic pinned layers separated from each other by an anti-parallel coupling layer, wherein said first pinned layer is adjacent to the spacer layer; and an antiferromagnetic (AFM) layer deposited over said AP-pinned layer for pinning the magnetization of said AP-pinned layer.