Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kia Silverbrook0
Vincent Patrick Lawlor0
Gregory John McAvoy0
Date of Patent
December 21, 2010
Patent Application Number
12239816
Date Filed
September 29, 2008
Patent Primary Examiner
Patent abstract
An inkjet printer configured for ejecting ink droplets having a volume in the range of 1 to 2.5 pL, the printer comprising: a printhead having a plurality of nozzles assemblies, each nozzle assembly comprising: a nozzle chamber for containing ink, the chamber having a nozzle opening and an ink inlet, the nozzle opening having a maximum dimension in the range of 4 to 12 microns; and a bend actuator for ejecting ink droplets from the nozzle opening by generating a positive pressure pulse in the ink during bending of the actuator; and an ink supply system configured for supplying ink to the printhead at a positive hydrostatic pressure in the range of 1 to 300 mm H2O.
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