Coated electrodes for a drop-on-demand printer
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United States of America Patent
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Dec 20, 2011
Grant Date -
Oct 9, 2008
app pub date -
Aug 17, 2006
filing date -
Oct 4, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A drop on demand printer is provided having: an ink ejection location for ejecting ink droplets, the ejection location having an associated ejection electrode for causing electrostatic ejection of the droplets from the ejection location; an intermediate electrode spaced from the ejection location, and in use disposed between the ejection location and a substrate onto which the droplets are printed in use; wherein either the ejection electrode or the intermediate electrode is coated with a film, the film being formed from a blend of a polymer insulating host and a conducting polymer dopant.
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