High nozzle density printhead ejecting low drop volumes
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United States of America Patent
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Mar 16, 2010
Issued Date -
N/A
app pub date -
Oct 30, 2007
filing date -
Oct 16, 1998
priority date (Note) -
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Abstract
A printhead assembly that has a printhead substrate having a plurality of drop generators formed thereon at an area density of at least six drop generators per square millimeter. The droplets emitted have a drop volume less than 8 pico liters. The fluid forming the droplets has a viscosity in the range of 2 to 5 centipoise. A high area density of drop generators and relatively low droplet volume of water-based ink provides high print resolutions and energy efficient operation.
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