Patent ID: 8235487

Claim:
An apparatus for a depositing an ink material on a substrates, the apparatus comprising: a chamber for receiving liquid ink, the liquid ink having solid ink particles suspended or dissolved in a carrier liquid; 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 metering droplets of ink from the chamber along separate respective delivery paths to a respective ones of spaced-apart locations on the inlet ports of the discharge nozzle; an activator for pulsatingly dispensing ink from the chamber through the orifices onto the discharge nozzle; and a heater in communication with the discharge nozzle for evaporating the carrier liquid and depositing substantially solid particles on the substrate.