Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1997-10-15
2000-07-18
Kiliman, Leszek
Stock material or miscellaneous articles
Composite
Of inorganic material
428694R, 428694T, 428694TS, 428694TM, 428900, 360113, 324252, G11B 566
Patent
active
060904984
ABSTRACT:
In a magnetoresistance effect element, a pinning layer (antiferromagnetic layer) has a composition of Ru--Mn or Ru--M--Mn where M represents at least one selected from Rh, Pt, Pd, Au, Ag, and Re, and impurity concentrations of the pinning layer are regulated. Accordingly, there can be provided the magnetoresistance effect element having a magnetic multilayered film which is excellent in corrosion resistance, thermal stability and magnetic field sensitivity and has a large MR change ratio, as well as a magnetoresistance device, such as a magnetoresistance effect type head or the like, using such a magnetoresistance effect element.
REFERENCES:
patent: 4103315 (1978-07-01), Hempstead et al.
patent: 4755897 (1988-07-01), Howard
patent: 5549978 (1996-08-01), Iwasaki
E. Dieny, et al., Physical Review B, vol. 63, No. 1, pp. 1297-1300, Jan. 1, 1991, "Giant Magnetoresistance in Soft Ferromagnetic Multilayers".
Ching Tsang, et al., IEEE Transactions on Magnetics, vol. 30, No. 6, pp. 3801-3806, Nov. 1994, "Design, Fabrication & Testing of Spin-Valve Read Heads for High Density Recording".
Araki Satoru
Omata Eiichi
Sano Masashi
Yamamoto Yasuyuki
Kiliman Leszek
TDK Corporation
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