Electrokinetic fluid ejection

Details Electrokinetic fluid ejection Electrokinetic fluid ejection

2005-03-29

2005-03-29

Mayekar, Kishor (Department: 1753)

Chemistry: electrical and wave energy

Apparatus

Electrophoretic or electro-osmotic apparatus

C204S252000

Reexamination Certificate

active

06872293

ABSTRACT:
Electrokinetic fluid ejection is disclosed. A mechanism includes a sealed quantity of electrolytic solution, a measured quantity of fluid, and a membrane. The membrane is exposed to the electrolytic solution on one side, and exposed to fluid on another side. An electric potential applied to the electrolytic solution excites the solution, causing the membrane to discharge a droplet of fluid. This can be accomplished by the electrical potential pressuring the electrolytic solution, displacing the membrane and thus the fluid. This can also be accomplished by the electrical potential transferring energy to the solution, which transfers energy to the membrane. Energy is then transferred from the membrane to the fluid. The invention can be used as a manner by which inkjet printing is accomplished.

REFERENCES:
patent: 5325880 (1994-07-01), Johnson et al.
patent: 5671905 (1997-09-01), Hopkins, Jr.
patent: 6019882 (2000-02-01), Paul et al.
patent: 6309043 (2001-10-01), Lerat et al.

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