Title:
MICROFLUIDIC VALVE AND MICROACTUATOR FOR A MICROVALVE
Document Type and Number:
WIPO Patent Application WO2002068849
Kind Code:
A9
Abstract:
A microactuator device (12) includes a base (20) with at least one electrode pad (24) and a permeation membrane (18). Permeation membrane (18) is typically a water-permeable membrane that is able to deform by applying an electric charge to the electrode pad (24). The actuator device (12) can be incorporated into valve assembly (10) to open and close the valve. The valve assembly can have a reciprocating valve member (146) operated by the deforming of the water-permeable member. Alternatively, the valve assembly can have an opening (46) positioned to cooperate with the water-permeable membrane (18) so that the deformation of the membrane closes the opening.
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Inventors:
WINGER THOMAS
EVANS JOHN
HARVEY NOEL
EVANS JOHN
HARVEY NOEL
Application Number:
PCT/US2002/005222
Publication Date:
January 30, 2003
Filing Date:
February 22, 2002
Export Citation:
Assignee:
BECTON DICKINSON CO (US)
NANOGEN INC (US)
NANOGEN INC (US)
International Classes:
F03G7/00; B81B3/00; F15C5/00; F16K7/12; F16K7/14; F16K31/02; F16K99/00; (IPC1-7): F16K31/02
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