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SUBSTRATE HAVING CHANNEL PORTION INCLUDING CHAMBERS, AND METHOD OF TRANSFERRING LIQUID BY USING THE SUBSTRATE

  • US 20100120166A1
  • Filed: 04/04/2008
  • Published: 05/13/2010
  • Est. Priority Date: 04/09/2007
  • Status: Active Grant
First Claim
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1. A substrate that is rotatable about a rotating axis and that has a flow path part including a chamber formed inside the substrate, wherein:

  • an interior wall of the chamber comprises;

    a first inner face that has a plane intersecting with a centrifugal direction from the rotating axis; and

    a second inner face that has a plane which is placed in a location farther from the rotating axis than the first inner face and which is intersecting with the centrifugal direction from the rotating axis;

    the first inner face has an area on which a droplet of liquid supplied is retained, and has an area that allows expansion of a contact area of the retained droplet by rotation of the substrate and communicates with the second inner face.

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