Printhead with droplet redirecting nozzle guard
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United States of America Patent
Stats
-
Jan 4, 2011
Grant Date -
Feb 19, 2009
app pub date -
Oct 6, 2008
filing date -
Apr 4, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A printhead is provided having an ejection surface having a plurality of nozzles for ejecting droplets and a nozzle guard positioned over the ejection surface and having a plurality of channels therethrough aligned with the nozzles. The channels have hydrophobic sidewalls and are radially flared with respect to the ink ejection surface such that droplets which are ejected from the nozzles with misdirection rebound off the channel sidewalls to pass through the channels.
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Family
International Classification(s)
Cited Art Landscape
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