Magnetoresistive element and magnetoresistive magnetic head,...

Details Magnetoresistive element and magnetoresistive magnetic head,... Magnetoresistive element and magnetoresistive magnetic head,...

2006-07-18

2006-07-18

Cao, Allen (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

07079361

ABSTRACT:
The present invention provides a magnetoresistive (MR) element that is excellent in MR ratio and thermal stability and includes at least one magnetic layer including a ferromagnetic material M-X expressed by M100-aXa. Here, M is at least one selected from Fe, Co and Ni, X is expressed by X1bX2cX3d(X1is at least one selected from Cu, Ru, Rh, Pd, Ag, Os, Ir, Pt and Au, X2is at least one selected from Al, Sc, Ti, V, Cr, Mn, Ga, Ge, Y, Zr, Nb, Mo, Hf, Ta, W, Re, Zn and lanthanide series elements, and X3is at least one selected from Si, B, C, N, O, P and S), and a, b, c and d satisfy 0.05≦a≦60, 0≦b≦60, 0≦c≦30, 0≦d≦20, and a=b+c+d.

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