Low pressure nozzle for an inkjet printer
First Claim
Patent Images
1. A nozzle assembly for an inkjet printhead, said nozzle assembly comprising:
- an inkjet nozzle having an actuator for ejecting an ink droplet from said inkjet nozzle when a resistive element of said actuator is heated by an electrical current;
a drive transistor for providing an energy pulse to said resistive element of said actuator; and
control logic for controlling said drive transistor,wherein said actuator develops a pressure of less than 100 kPa within said inkjet nozzle.
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Abstract
A nozzle assembly for an inkjet printhead is disclosed. The nozzle assembly includes an inkjet nozzle having an actuator for ejecting an ink droplet from the inkjet nozzle when a resistive element of the actuator is heated by an electrical current. A drive transistor provides an energy pulse to the resistive element of the actuator, and control logic controls the drive transistor. The actuator develops a pressure of less than 100 kPa within the inkjet nozzle.
25 Citations
13 Claims
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1. A nozzle assembly for an inkjet printhead, said nozzle assembly comprising:
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an inkjet nozzle having an actuator for ejecting an ink droplet from said inkjet nozzle when a resistive element of said actuator is heated by an electrical current; a drive transistor for providing an energy pulse to said resistive element of said actuator; and control logic for controlling said drive transistor, wherein said actuator develops a pressure of less than 100 kPa within said inkjet nozzle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification