Electrospraying/electrospinning array utilizing a...

Details Electrospraying/electrospinning array utilizing a... Electrospraying/electrospinning array utilizing a...

2006-12-05

2009-12-08

Parker, Frederick J (Department: 1792)

Coating processes

Direct application of electrical, magnetic, wave, or...

Electrostatic charge, field, or force utilized

C427S458000

Reexamination Certificate

active

07629030

ABSTRACT:
An electrohydrodynamic spraying or spinning deposition system, which includes a common source of pressurized liquid within a manifold, and an array of 2 or more spraying tips, each tip being fed from the common source of pressurized liquid to create a liquid flow path. An individual flow impedance device is disposed within each tip's individual liquid flow path from the pressurized liquid source into each spraying tip. The individual flow impedance devices are disposed within a replaceable sheet, which can be easily cleaned or changed to accommodate the instance liquid viscosity and composition. A high voltage source is applied to create a high voltage potential applied between the tip array and a deposition surface.

REFERENCES:
patent: 4562095 (1985-12-01), Coulon et al.
patent: 4748043 (1988-05-01), Seaver et al.
patent: 6713011 (2004-03-01), Chu et al.

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