Magnetoresistive head

Details Magnetoresistive head Magnetoresistive head

1992-11-25

1996-05-28

Kiliman, Leszek

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428336, 428692, 428684T, 428684TS, 428684TM, 428684R, 428900, 360113, B32B 516, G11B 566

Patent

active

055210058

ABSTRACT:
In a magnetic head whose recording and reproduction sections are separated, the magnetoresistive element constituting the reproduction head has a structure comprising a soft magnetic film, a spacer metallic film, and a magnetoresistive film and uses a high-performance soft magnetic film whose composition is Ni--Fe--Ru, Ni--Fe--Ru--M (M: fourth element), Ni--Fe--Ta or Ni--Fe--Ta--M (M: fourth element) and which has low coercivity, low magnetostriction, high specific resistance, high saturation magnetization, low magnetoresistivity and high corrosion resistance, this invention provides a recording-reproduction separation type magnetic head comprising a soft magntic bias film which is high magnetic performance, low production cost, and high corrosion resistance.

REFERENCES:
patent: 4663685 (1987-05-01), Tsang
patent: 5001586 (1991-03-01), Aboaf et al.
patent: 5287237 (1994-02-01), Kitada

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