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Microfluidic pump and valve structures and fabrication methods

  • US 7,832,429 B2
  • Filed: 10/03/2005
  • Issued: 11/16/2010
  • Est. Priority Date: 10/13/2004
  • Status: Active Grant
First Claim
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1. A microfluidic device, comprising a first polystyrene substrate having upper and lower surfaces and microfeatures formed therein, and a polystyrene membrane solvent bonded to the upper surface of the first substrate, and having a relaxed state wherein the polystyrene membrane lies substantially against the upper surface of the first substrate and an actuated state wherein the polystyrene membrane is moved away from the upper surface of the first substrate.

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