PRINTHEAD INCLUDING ACOUSTIC DAMPENING STRUCTURE

摘要

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.

主权项

1. A printhead comprising:
a nozzle plate including a plurality of nozzles and an acoustic dampening structure, the acoustic dampening structure including a plurality of sets of air pockets and liquid flow restrictors, each set of air pockets and liquid flow restrictors being in fluid communication with a respective one of the plurality of nozzles; a plurality of liquid channels, each liquid channel being in fluid communication with the respective one of the plurality of nozzles through the associated liquid flow restrictor; and a common liquid supply manifold in fluid communication with the plurality of liquid chambers.