Multi-layer magnetic recording medium, method and system of manufacture

  • US 6,194,058 B1
  • Filed: 07/31/1998
  • Issued: 02/27/2001
  • Est. Priority Date: 07/31/1998
  • Status: Expired due to Fees
First Claim
Patent Images

1. A multi-layer magnetic recording medium comprising a nonmagnetic substrate having provided thereon a magnetic inner layer having a squareness ratio of from 0.10 to 0.65, and a saturation magnetization from 1.0×

  • 10

    4
    to 1.5×

    10

    3
    gauss-meters, and a magnetic outer layer containing ferromagnetic particles.

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