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Micro fluidic valves, agitators, and pumps and methods thereof

  • US 7,195,393 B2
  • Filed: 05/31/2002
  • Issued: 03/27/2007
  • Est. Priority Date: 05/31/2001
  • Status: Expired due to Term
First Claim
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1. A device comprising:

  • a structure with at least one opening;

    a non-conducting member comprising two or more insulators deposited on each other with an interface between each pair of the insulators, the member having a first position exposing the opening and a second position sealing the opening;

    a trapped, fixed static charge is imbedded at at least one of the interfaces between the two or more insulators after one of the two or more insulators is deposited on the other of the two or more insulators; and

    at least two control electrodes which are adjacent to and spaced from different sides of the non-conducting member, the at least two control electrodes control the movement of the non-conducting member between the first position and the second position in response to an applied bias.

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