Jet nozzle structure for electrohydrodynamic droplet formation a

Details Jet nozzle structure for electrohydrodynamic droplet formation a Jet nozzle structure for electrohydrodynamic droplet formation a

1975-01-23

1976-04-06

Miller, Jr., George H.

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Record receiver deforming

317 3, G01D 1518

Patent

active

039494101

ABSTRACT:
The practice of this disclosure obtains a monolithic structure useful for electrohydrodynamically synchronizing the formation of droplets in a jet stream exiting from a jet nozzle. The monolithic structure is primarily adaptable for ink jet printing. The jet nozzle structure provided by the practice of this disclosure includes a jet nozzle design in a crystalline semiconductor block, e.g., of silicon (Si), germanium (Ge) or gallium arsenide (GaAs), with an electrode structure which is integrally incorporated therewith whereby a variable electric field is established proximate to the orifice of the jet nozzle structure. The electric field electrohydrodynamically perturbs the jet stream emitting from the jet nozzle structure so that formation of drops in the jet stream is controllably achieved, e.g., synchronously when the variable electric field is oscillating with a given periodicity.

REFERENCES:
patent: 3871004 (1975-03-01), Rittberg
patent: 3893623 (1975-07-01), Toupin

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