Printhead micro-electromechanical nozzle arrangement with a motion-transmitting structure
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United States of America Patent
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-
Jan 5, 2010
Grant Date -
May 8, 2008
app pub date -
Jan 16, 2008
filing date -
Jul 15, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided is a micro-electromechanical nozzle arrangement for a printhead integrated circuit. The arrangement includes a nozzle chamber defined in a substrate with a roof that defines an ink ejection port. The nozzle arrangement further includes a paddle located inside the chamber below the ink ejection port, said paddle operatively ejecting ink from the chamber through the port. Also included is an actuator arm having a fixed end fixed to the substrate and a working end that is displaceable towards and away from the substrate upon receipt of a drive signal in the form of a current pulse emanating from a drive circuitry layer on the substrate. The arrangement further has a motion transmitting structure interconnecting the working end of the actuator arm and a proximal end of the paddle.
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Cited Art Landscape
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