Printhead including acoustic dampening structure
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United States of America Patent
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Oct 20, 2015
Grant Date -
Oct 16, 2014
app pub date -
Apr 11, 2013
filing date -
Apr 11, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A printhead includes a plurality of liquid channels and a nozzle plate. The nozzle plate includes a plurality of nozzles and an acoustic dampening structure. The acoustic dampening structure includes a plurality of sets of air pockets and liquid flow restrictors. Each set of air pockets and liquid flow restrictors is in fluid communication with a respective one of the plurality of nozzles. Each liquid channel is in fluid communication with the respective one of the plurality of nozzles through the associated liquid flow restrictor. A common liquid supply manifold is in fluid communication with the plurality of liquid chambers.
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