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Light detection device with means for tracking sample sites

  • US 6,310,687 B1
  • Filed: 01/23/2001
  • Issued: 10/30/2001
  • Est. Priority Date: 07/07/1999
  • Status: Expired due to Fees
First Claim
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1. An apparatus for detecting light transmitted from a substrate having a plurality of sample sites, the apparatus comprising:

  • a stage for supporting the substrate, the stage being configured to move the substrate in a first direction so that the sample sites pass sequentially through an examination region delimited by a detection initiation position and a detection termination position;

    a detector configured to detect light;

    an optical relay structure configured to transmit light from a sensed volume within the examination region to the detector, the sensed volume being smaller than the examination region; and

    an automated scanning mechanism configured to move the sensed volume in the first direction between the detection initiation position and the detection termination position;

    wherein the sensed volume tracks a first sample site as it moves between the initiation position and the termination position, so that light transmitted by the first sample can be detected by the detector.

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