Magnetoresistance effect device and magnetic head

Details Magnetoresistance effect device and magnetic head Magnetoresistance effect device and magnetic head

1997-09-10

1999-09-28

Kiliman, Leszek

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428336, 428611, 428692, 428694R, 428694TR, 428694T, 428694TS, 428694TM, 428900, 360113, 324252, G11B 566

Patent

active

059585765

ABSTRACT:
A magnetoresistance effect device and a magnetic head according to the present invention exhibit preferable magnetic characteristics and an excellent corrosion resistance.
The magnetoresistance effect device includes an antiferromagnetic body formed in a fcc (face-centered cubic) structure and in an irregular phase and having a composition of A.sub.X --Mn.sub.1-X wherein A is at least one of Rh and Ru, and X is in a range from 0.05 to 0.25; and a ferromagnetic body whose magnetization state is controlled by the antiferromagnetic body.
Moreover, the magnetic head includes an antiferromagnetic body formed in a fcc (face-centered cubic) structure and in an irregular phase and having a composition of A.sub.X Mn.sub.1-X wherein A is at least one of Rh and Ru, and X is in a range from 0.05 to 0.25; and a ferromagnetic body whose magnetization state is controlled by the antiferromagnetic body.

REFERENCES:
patent: 5549978 (1996-08-01), Iwasaki

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