Inkjet printing device that includes nozzles with volumetric ink ejection mechanisms
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United States of America Patent
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Dec 12, 2006
Issued Date -
N/A
app pub date -
Aug 12, 2005
filing date -
Jun 9, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink jet printing device includes a substrate that defines a plurality of ink supply passages. Drive circuitry is positioned on the substrate. A plurality of nozzle chamber structures is arranged on the substrate. Each nozzle chamber structure defines a nozzle chamber and an ink ejection port in fluid communication with the nozzle chamber. Each nozzle chamber structure has a wall that incorporates a number of actuators. Each of the actuators is displaceable, on receipt of an electrical signal from the drive circuitry, into and out of the nozzle chamber to eject ink from the ink ejection port.
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