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Method and device for identifying a marker using a detector substance

  • US 20040035938A1
  • Filed: 04/03/2003
  • Published: 02/26/2004
  • Est. Priority Date: 08/03/2001
  • Status: Active Grant
First Claim
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1. A method for identifying a marking (300) which is arranged on a body (200) and contains a marking substance (320) with a specific property, wherein a) the marking (300) is scanned by means of radiation (L1) in a first measurement and a reference is determined therefrom, b) the marking substance (320) is brought into contact with a detector substance (310) having a specific property corresponding to the marking substance (320), so that a combination of the marking and detector substances (320, 310) which results because of the corresponding specific properties exhibits fluorescent behavior, c) the marking (300) is scanned by means of the radiation (L1) in a second measurement, and d) the marking (300) is identified by means of the reference and the result of the second measurement.

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