Drop dispenser device

Chemistry: electrical and wave energy – Processes and products – Electrophoresis or electro-osmosis processes and electrolyte...

Reexamination Certificate

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C204S600000

Reexamination Certificate

active

07922886

ABSTRACT:
A liquid dispensing device includes first and second substrates, with the first substrate including an opening for introduction of a fluid, and the second substrate including a multiplicity of electrodes. The device includes a transfer electrode, located at least partially opposite to the opening, at least two drop-forming electrodes, and a reservoir electrode, located between the transfer electrode and the drop-forming electrodes, and with an area that is at least equal to three times the area of each drop-forming electrode.

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Vijay Srinivasan et al., “An integrated digital microfluidic lab-on-a-chip for clinical diagnostics on human physiological fluids”, Miniaturisation for Chemistry, Biology & Bioengineering, May 26, 2004, vol. 4, pp. 310-315.
Japanese Office Action issued on Jan. 18, 2011 in 2007-547602 (with English Translation).

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