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Apparatus to collect, classify, concentrate, and characterize gas-borne particles

  • US 6,664,550 B2
  • Filed: 04/30/2002
  • Issued: 12/16/2003
  • Est. Priority Date: 08/30/1999
  • Status: Expired due to Term
First Claim
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1. An apparatus for manipulating particles in an aerosol, comprising:

  • a substrate;

    an aerosol inlet for receiving said particles;

    a gas moving means in fluid communication with said aerosol inlet, wherein said gas moving means is selected from the list consisting of a mechanical pump, a sorp pump, and a fan, said gas moving means for drawing some of said articles into said apparatus to form an aerosol stream; and

    a UV laser light source mounted on said substrate after said aerosol inlet and disposed at right angle to said aerosol stream, said UV laser light source for illuminating said particles in said aerosol stream in order to induce a fluorescence response in some of said particles, said apparatus formed by micro-machining process.

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