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US20050179746: Device for controlling the displacement of a drop between two or several solid substrates

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Filing Information

Inventor(s) Jean-Maxime Roux · Jean-Luc Achard · Yves Fouillet ·
Assignee(s) COMMISSARIAT A L'ENERGIE ATOMIQUE · CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE ·
Correspondent OBLON, SPIVAK, MCCLELLAND, MAIER & NEUSTADT, P.C. ·
Application Number US11056262
Filing date 02/14/2005
Publication date 08/18/2005
Predicted expiration date 02/14/2025
U.S. Classifications 347/69  ·
International Classifications --
Kind CodeA1
Foreign Priority FR0450276 - 02/16/2004 ·
29 Claims, 6 Drawings


Abstract

The invention concerns a device for reversibly displacing at least one volume of liquid (10) under the effect of an electrical control, comprising first electrically conductive means (8), second electrically conductive means (4), and means for inducing a reversible displacement of a volume of liquid, from the first to the second electrically conductive means, without contact with said conductive means during the displacement.

Independent Claims | See all claims (29)

  1. 1. Device for reversibly displacing at least one volume of liquid under the effect of an electrical control, comprising a first electrical conductor, a second electrical conductor, and means for inducing a reversible displacement of a volume of liquid, from said first to said second electrical conductor, without contact with said electrical conductors during said displacement.
  2. 15. Device for reversibly displacing at least one volume of liquid under the effect of an electrical control, comprising a first electrical conductor, a second electrical conductor, and means for inducing a reversible displacement of a volume of liquid, from said first to said second electrical conductor, without contact with said conductors during said displacement, said first electrical conductor being covered with a layer of non wetting or faintly wetting dielectric material and comprising charge transfer means.
  3. 16. Method for displacing a volume of liquid, in which said volume is initially in contact with a first substrate comprising a first electrical conductor means, said method comprising: applying a tension between said first electrical conductor and a second substrate comprising a second electrical conductor, and distant from said first substrate by a distance greater than said diameter of said volume of liquid to be displaced, and displacing said volume of liquid from said first substrate to said second substrate, then displacing said volume of liquid from said second substrate to said first substrate.

References Cited

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Referenced By

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