High-precision liquid droplet dispenser
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United States of America Patent
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Issued Date -
Jun 2, 2005
app pub date -
Oct 27, 2004
filing date -
Oct 30, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A liquid droplet dispenser generates very small droplets of regular size and high velocity by means of shock waves in a liquid-filled capillary. The droplets are ejected from an ejection capillary. The ejection capillary is surrounded by one or more capillary tubes, which create liquid surfaces that allow the droplets to be ejected on a stable path along the axis of the ejection capillary. A system of multiple ejection capillaries may be used that may be fed from a common liquid reservoir. The dispenser may be used for surface coating, as well as other applications.
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