Null servo pattern for bit-patterned media

Null servo pattern for bit-patterned media

  • CN 101,430,887 A
  • Filed: 09/12/2008
  • Published: 05/13/2009
  • Est. Priority Date: 09/12/2007
  • Status: Active Application
First Claim
Patent Images

1. , a kind of patterning recording medium comprises:

  • First fragment comprises first row and the second discrete magnetic element of going that are separated by nonmagnetic substance, and the nonmagnetic substance of delegation between described first row and second row, andBe formed at the first empty graph case in described first fragment, comprise;

    Continuous group of discrete magnetic element described in first row of described first fragment, in described first row every group have with this first row in the opposite magnetic polarity of polarity of adjoining groups;

    AndContinuous group of discrete magnetic element described in second row of described first fragment, in described second row every group have with this second row in the opposite magnetic polarity of polarity of adjoining groups.

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