Inkjet printhead with common chamber and actuator material
First Claim
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1. An inkjet printhead for ejecting drops of ink during a printing process, the inkjet printhead comprising:
- an array of drop ejectors, each having a chamber for holding ink, an actuator and a nozzle such that actuation of the actuator ejects ink through the nozzle; and
,at least one internal surface of the chamber and an ink engaging face of the actuator are formed from the same material;
wherein during use,the actuator displaces the ink engaging face towards the nozzle to create a pressure pulse sufficient to eject ink through the nozzle and subsequently moves away from the nozzle as the chamber refills with ink during the printing process.
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Abstract
An inkjet printhead with an array of drop ejectors, each having a chamber for holding ink, an actuator and a nozzle. The actuation of the actuator ejects ink through the nozzle, and at least one internal surface of the chamber and an ink engaging face of the actuator are formed from the same material.
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Citations
6 Claims
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1. An inkjet printhead for ejecting drops of ink during a printing process, the inkjet printhead comprising:
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an array of drop ejectors, each having a chamber for holding ink, an actuator and a nozzle such that actuation of the actuator ejects ink through the nozzle; and
,at least one internal surface of the chamber and an ink engaging face of the actuator are formed from the same material;
wherein during use,the actuator displaces the ink engaging face towards the nozzle to create a pressure pulse sufficient to eject ink through the nozzle and subsequently moves away from the nozzle as the chamber refills with ink during the printing process. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification