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Rapid Ink-Charging Of A Dry Ink Discharge Nozzle

  • US 20100171780A1
  • Filed: 01/05/2010
  • Published: 07/08/2010
  • Est. Priority Date: 01/05/2009
  • Status: Active Grant
First Claim
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1. An apparatus for a depositing one or more materials on one or more substrates, the apparatus comprising:

  • a chamber for receiving ink;

    a discharge nozzle disposed in spaced relation to said chamber and including a plurality of micro-pores, with each micro-pore including a first end region defining an inlet port, confronting said chamber, and a second end region defining an outlet port; and

    a plurality of orifices in fluid communication with said chamber, said orifices adapted to meter droplets of ink from the chamber along separate respective delivery paths to respective spaced-apart locations on the inlet ports of the discharge nozzle;

    wherein the chamber receives ink in liquid form, said ink being defined by a plurality of substantially solid particles dissolved or suspended in a carrier liquid, and the droplets of ink are pulsatingly metered from the chamber through the orifices to the discharge nozzle; and

    the discharge nozzle evaporates the carrier liquid and deposits the substantially solid particles on the substrate.

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