Methods and apparatus for forming microdroplets of liquids at el

Details Methods and apparatus for forming microdroplets of liquids at el Methods and apparatus for forming microdroplets of liquids at el

1994-06-20

1995-05-16

Kastler, Scott

Specialized metallurgical processes, compositions for use therei

Processes

Producing solid particulate free metal directly from liquid...

222590, 222593, 266239, B22D 3900

Patent

active

054156793

ABSTRACT:
Microdroplets of liquids at elevated temperatures are formed by transferring the liquid to an electrostrictive ejection device and applying an electric field which induces a second order elastic strain in the ejection device. The ejection device responds by ejecting generally spherically-shaped microdroplets. The ejection device comprises an electrostrictive transducer having an orifice through which the liquid is ejected. Drive electronics apply an excitation electric field to the electrostrictive transducer which causes a second order elastic strain in the electrostrictive transducer independent of the polarity of the electric field.

REFERENCES:
patent: 3833163 (1974-09-01), Denslow et al.
patent: 4435666 (1984-03-01), Fukui et al.
patent: 4828886 (1989-05-01), Heiber
patent: 5193738 (1993-03-01), Hayes
patent: 5229016 (1993-07-01), Hayes et al.

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