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Magnetoresistance effect element, magnetic head and magnetic recording and/or reproducing system

  • US 20020048128A1
  • Filed: 10/19/2001
  • Published: 04/25/2002
  • Est. Priority Date: 10/20/2000
  • Status: Active Grant
First Claim
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1. A magnetoresistance effect element comprising:

  • a magnetoresistance effect film including a magnetization fixed layer having a ferromagnetic film in which the direction of magnetization is substantially fixed to one direction, a magnetization free layer having a ferromagnetic film in which the direction of magnetization varies in response to an external magnetic field, and an non-magnetic intermediate layer provided between the magnetization fixed layer and the magnetization free layer;

    a pair of electrodes which are electrically connected to the magnetoresistance effect film for applying a current in a direction perpendicular to the plane of the magnetoresistance effect film; and

    a resistant regulating layer which contains an oxide, a nitride, a fluoride, a carbide or a boride as a principal component.

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