Device for electrostatic manipulation of droplets

Details Device for electrostatic manipulation of droplets Device for electrostatic manipulation of droplets

1994-02-18

1996-01-23

Snay, Jeffrey R.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

436180, 239690, G01N 128, G01N 138

Patent

active

054863376

ABSTRACT:
A method and apparatus are disclosed for manipulation of very small droplets of liquid, by placing the droplets on wettable positioning electrodes on a non-wettable substrate, applying voltages to the positioning electrodes to electrostatically charge the droplets, and applying voltages of opposite polarity to target electrodes, thereby attracting the droplets from the positioning electrodes toward the target electrodes. The electrodes can be on a manipulation surface or on a separate portable dispensing tool or pickup tool.

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