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MICROFABRICATED STRUCTURES FOR FACILITATING FLUID INTRODUCTION INTO MICROFLUIDIC DEVICES

  • US 20070102297A1
  • Filed: 12/29/2006
  • Published: 05/10/2007
  • Est. Priority Date: 06/06/1997
  • Status: Abandoned Application
First Claim
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1. A microfluidic device comprising:

  • a substrate;

    a first microfluidic channel disposed in said substrate; and

    a second microfluidic channel disposed in said substrate, said second microfluidic channel being in fluid communication with said first microfluidic channel through a capillary limit region, said capillary limit region being sized to inhibit flow of a first fluid in said first microfluidic channel until a second fluid disposed in said second microfluidic channel contacts said first fluid to define an interfluid boundary therebetween.

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