Apparatus for forming variable fluid meniscus configurations

Details Apparatus for forming variable fluid meniscus configurations Apparatus for forming variable fluid meniscus configurations

2003-11-21

2010-10-05

Lester, Evelyn A. (Department: 2873)

Optical: systems and elements

Lens

Fluid

C359S666000, C359S667000

Reexamination Certificate

active

07808717

ABSTRACT:
Apparatus for providing a fluid meniscus with variable configurations by means of electrowetting. A fluid chamber (5) holds two different fluids (A, B) separated by a meniscus (14) of which the edge, having different sides, is constrained by the fluid chamber. A first electrowetting electrode (2a) is arranged to act on a first side of the meniscus edge and a second electrowetting electrode (2a′) is arranged to act separately on a second side of the meniscus edge. Selected meniscus configurations can be formed by providing selected voltages to the first and second electrowetting electrodes respectively.

REFERENCES:
patent: 2007/0115789 (2007-05-01), Liedenbaum
patent: 2008/0247051 (2008-10-01), Hendriks et al.
patent: 2008/0265037 (2008-10-01), T'Hooft et al.
patent: 2009/0002807 (2009-01-01), Hendriks et al.
patent: WO9918456 (1999-04-01), None
patent: WO0058763 (2000-10-01), None

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