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Optical device with refractive and diffractive properties

  • US 20060012880A1
  • Filed: 07/06/2005
  • Published: 01/19/2006
  • Est. Priority Date: 05/02/2002
  • Status: Abandoned Application
First Claim
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1. An optical device with refractive properties and diffractive properties, comprising:

  • a substrate;

    a first discrete relief structure disposed over said substrate, said first discrete relief structure having a curved surface to provide said refractive properties; and

    one or more layers of an optically-transparent polymer material disposed over said first discrete relief pattern to define a surface curvature envelope of a second discrete relief structure, said surface curvature envelope being formed of discontinuous diffractive features to provide said diffractive properties.

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