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Thermally assisted recording head having recessed waveguide with near field transducer and methods of making same

  • US 8,169,881 B2
  • Filed: 12/31/2008
  • Issued: 05/01/2012
  • Est. Priority Date: 12/31/2008
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a near field transducer comprising a conductive metal film having a main body and a ridge extending from the main body; and

    an optical waveguide for illumination of the near field transducer, a light guiding core layer of the optical waveguide being spaced from the near field transducer by less than about 100 nanometers and greater than 0 nanometers,wherein a longitudinal axis of the optical waveguide is substantially perpendicular to an air bearing surface.

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