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Method and apparatus for distributing fluid in a microfluidic device

  • US 6,268,219 B1
  • Filed: 07/09/1999
  • Issued: 07/31/2001
  • Est. Priority Date: 07/09/1999
  • Status: Expired due to Term
First Claim
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1. A fluid distribution system comprising:

  • a microfluidic device having a plurality of layers;

    a main channel within said microfluidic device having a plurality of branches extending therefrom, said main channel having a length;

    said main channel and said branches coupled through a plurality of apertures, each with a respective aperture diameter, said aperture diameters progressively increasing along said length, each of said plurality of branches comprises an interlayer channel extending substantially through one of said plurality of layers, said interlayer channel extending from said main channel through a respective one of said plurality of apertures, a cell feed directly fluidically coupled to said interlayer channel, and a capillary break directly fluidically coupled to said cell feed.

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