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Magnetoresistive element and magnetic recording apparatus

  • US 6,348,274 B1
  • Filed: 12/27/1999
  • Issued: 02/19/2002
  • Est. Priority Date: 12/28/1998
  • Status: Expired due to Fees
First Claim
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1. A magnetoresistive element having a spin valve structure comprising a first magnetic film, a second magnetic film, and a non-magnetic spacer film interposed between said first magnetic film and said second magnetic film;

  • one of said first and second magnetic films including a first ferromagnetic metal layer;

    a first non-metal layer provided on said first ferromagnetic metal layer;

    a second non-metal layer provided on said first non-metal layer and different in composition from said first non-metal layer; and

    a second ferromagnetic metal layer provided on said second non-metal layer;

    said first and second non-metal layers being an electron reflecting layer.

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