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Planar waveguide for heat assisted magnetic recording

  • US 20040062503A1
  • Filed: 03/19/2003
  • Published: 04/01/2004
  • Est. Priority Date: 09/30/2002
  • Status: Active Grant
First Claim
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1. A recording head comprising:

  • a magnetic write pole; and

    a planar waveguide positioned adjacent to the magnetic write pole, the planar waveguide including a first metal layer, a second metal layer, a first optical layer positioned between the first and second metal layers, and means for coupling an electromagnetic wave to the first optical layer at a resonant incident angle.

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