Inkjet printer nozzle formed on a drive transistor and control logic
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United States of America Patent
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Aug 24, 2010
Grant Date -
Dec 18, 2008
app pub date -
Aug 24, 2008
filing date -
Oct 16, 1998
priority date (Note) -
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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 drive transistor and control logic are formed on a silicon substrate, and the inkjet nozzle is formed over the drive transistor and control logic.
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