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Light-controlled electrokinetic assembly of particles near surfaces

  • US 6,251,691 B1
  • Filed: 10/26/1998
  • Issued: 06/26/2001
  • Est. Priority Date: 04/25/1996
  • Status: Expired due to Term
First Claim
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1. A method for controlling the movement of particles suspended at an interface between an electrode and an electrolyte solution, the method comprising the following steps:

  • generating an electric field at said interface between said electrode and said electrolyte solution; and

    illuminating the surface of said electrode with a predetermined light pattern to control the movement of said particles in accordance with said predetermined light pattern and electrochemical properties of said electrode.

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