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Interference Effect in Multinozzle EHD Inkjet Printing
Indra Hartarto Tambunan,Si Bui Quang Tran,Doyoung Byun(변도영) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
Interference effect is a critical issue in multinozzle inkjet printing since it is a common effect that happened in many cases. This paper describes interference effect in multinozzle electrohydrodinamics (EHD) inkjet printing which applied with superimposed high DC voltage. We observed the interference effect between two nozzles configuration. And we investigated the effects of distance between the nozzle and the electrode and the frequency. Superimposed pulse signal onto the bias dc voltage is controlled by a PCB board that we designed and fabricated, and we studied the effects of the frequency, duty cycle, and the pulse amplitude.