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Write head and method for recording information on a data storage medium

  • US 6,714,370 B2
  • Filed: 09/17/2002
  • Issued: 03/30/2004
  • Est. Priority Date: 01/07/2002
  • Status: Expired due to Term
First Claim
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1. A recording head for use in conjunction with a magnetic storage medium, comprising:

  • a waveguide for providing a path for transmitting radiant energy;

    a near-field coupling structure positioned in the waveguide and including a plurality of arms, each having a planar section and a bent section, wherein the planar sections are substantially parallel to a surface of the magnetic storage medium, and the bent sections extend toward the magnetic storage medium and are separated to form a gap adjacent to an air bearing surface; and

    means for applying a magnetic write field to sections of the magnetic recording medium heated by the radiant energy.

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