MEMS integrated circuit comprising peristaltic microfluidic...

Details MEMS integrated circuit comprising peristaltic microfluidic... MEMS integrated circuit comprising peristaltic microfluidic...

2008-06-20

2011-12-13

Bullock, In Suk (Department: 1772)

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Miscellaneous laboratory apparatus and elements, per se

C422S509000, C422S537000, C417S474000, C137S829000, C436S180000

Reexamination Certificate

active

08075855

ABSTRACT:
A MEMS integrated circuit comprising a peristaltic microfluidic pump and control circuitry for the pump. The pump comprises a pumping chamber positioned between an inlet and an outlet; a plurality of moveable fingers positioned in a wall of the pumping chamber, the fingers being arranged in a row along the wall; and a plurality of thermal bend actuators. Each actuator is associated with a respective finger such that actuation of the thermal bend actuator causes movement of the respective finger into the pumping chamber. The control circuitry controls actuation of the plurality of actuators. The control circuitry is configured to provide a peristaltic pumping action in each pumping chamber via peristaltic movement of the fingers.

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