Printhead nozzle arrangement having ink ejecting actuators annularly arranged around ink ejection port
First Claim
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1. A printhead for an inkjet printer, the printhead comprising:
- a wafer defining a plurality of nozzle chambers and a plurality of ink supply channel in fluid communication with the plurality of nozzle chambers for supplying the plurality of nozzle chambers with ink;
an ink ejection port associated with each nozzle chamber; and
a plurality of actuators associated with each nozzle chamber, the plurality of actuators each including a petal formation, whereina plurality of petal formations are arranged around an ink ejection port of each nozzle chamber to annularly surround the ink ejection port, andeach actuator is operable to displace a respective petal formation into the nozzle chamber.
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Abstract
A printhead for an inkjet printer includes a wafer defining a plurality of nozzle chambers and a plurality of ink supply channel in fluid communication with the plurality of nozzle chambers for supplying the plurality of nozzle chambers with ink; an ink ejection port associated with each nozzle chamber; and a plurality of actuators associated with each nozzle chamber, the plurality of actuators each including a petal formation. A plurality of petal formations are arranged around an ink ejection port of each nozzle chamber to annularly surround the ink ejection port. Each actuator is operable to displace a respective petal formation into the nozzle chamber.
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Citations
5 Claims
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1. A printhead for an inkjet printer, the printhead comprising:
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a wafer defining a plurality of nozzle chambers and a plurality of ink supply channel in fluid communication with the plurality of nozzle chambers for supplying the plurality of nozzle chambers with ink; an ink ejection port associated with each nozzle chamber; and a plurality of actuators associated with each nozzle chamber, the plurality of actuators each including a petal formation, wherein a plurality of petal formations are arranged around an ink ejection port of each nozzle chamber to annularly surround the ink ejection port, and each actuator is operable to displace a respective petal formation into the nozzle chamber. - View Dependent Claims (2, 3, 4, 5)
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Specification