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Imaging systems for signals on a surface

  • US 6,750,963 B2
  • Filed: 05/21/2002
  • Issued: 06/15/2004
  • Est. Priority Date: 05/21/2002
  • Status: Active Grant
First Claim
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1. An imaging apparatus comprising:

  • (a) a holder for a surface, (b) a light source adapted to illuminate said surface, (c) a diffractive element between said holder and said light source, said diffractive element comprising an array of diffraction gratings wherein said diffractive element is arranged to sequentially illuminate different sets of features on said surface having a sample deposited thereon until substantially all of the features on said surface are illuminated and (d) an imaging detector adapted to receive light from said surface.

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