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Microfluidic systems incorporating varied channel dimensions

DC
  • US 5,957,579 A
  • Filed: 09/30/1998
  • Issued: 09/28/1999
  • Est. Priority Date: 10/09/1997
  • Status: Expired due to Term
First Claim
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1. A microfluidic device, comprising:

  • a first substrate layer, having at least a first groove fabricated into a first planar surface thereof;

    a second substrate layer having a first planar surface, the first planar surface of the second substrate layer being bonded to the first planar surface of the first substrate layer to seal the groove and define a first channel between the first and second substrate layers, the first planar surface of the second substrate layer defining a top inner surface of the first channel, the top inner surface of the first channel comprising 1/4 or less of a total internal surface area of the first channel.

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