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US 2003/0170131 A1Published application
Microfluidic device including a micropump
AssigneeThe Board of Trustees of the Leland Stanford Junior University
InventorsRichard N. Zare, Garth J. Simpson, Clyde F. Wilson
Life of this patent
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Abstract
Microfluidic devices are disclosed. The microfluidic devices comprise pumps and mixers in which a microrotor rotated by coupled dipoles induced by alternating electric fields moves fluids in which it is immersed.
Claims12
A microfluidic device for moving a fluid comprising:
- a polarizeable microrotor having a polarizability different than that of the fluid disposed in said fluid,
- a polarizeable member electrostatically coupled to said microrotor,
- spaced electrodes for applying an alternating electric field to said rotor and said member to induce alternating dipole fields in said rotor and coupled member whereby the coupled dipole fields interact to cause rotation of said microrotor to produce movement of said fluid.
A microfluidic device including:
- a dielectric motor,
- a coupled member,
- electrodes on opposite sides of said rotor and coupled member for applying electric fields to said rotor and coupled member, and
- means for applying alternating voltages to said electrodes thereby inducing alternating dipole fields in said rotor and member which interact to cause rotation of said dielectric rotor.
1 more element
Dependencies are inferred from the claim text.