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Particle analyzer

  • US 5,633,503 A
  • Filed: 11/23/1994
  • Issued: 05/27/1997
  • Est. Priority Date: 11/26/1993
  • Status: Expired due to Fees
First Claim
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1. A particle analyzer comprising:

  • a flow cell for enclosing a sample liquid containing particles in a sheathed flow to form a flat flow of the sample liquid;

    exciting light source means for emitting light for exciting fluorescence to irradiate the particle in the flat flow;

    an illumination light source for emitting illumination light to irradiate the particle in the flat flow;

    a sensor for receiving the illumination light passing through the particle to capture an image of the particle;

    monitoring means for determining whether two or more particles are passing through the flat flow imaged onto said sensor; and

    capturing means for capturing a fluorescent image of the particle when the particle reaches a predetermined position of the flat flow.

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