US Patent 7854496 Inkjet printer with small drop size
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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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Patent Inventor Names
Gregory John McAvoy0
Kia Silverbrook0
Vincent Patrick Lawlor0
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US Patent 07854496 Inkjet printer with small drop size US Patent 7854496 Inkjet printer with small drop size
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Patent Number
07854496
Patent Number
7854496
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Official Website
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US Patent 07854496 Inkjet printer with small drop size
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Patent jurisdiction
Patent number
07854496
Date of patent
December 21, 2010
Patent application number
12239816
Date Filed
September 29, 2008
Patent primary examiner
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