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Waveform Design Methods for Piezo Inkjet Dispensers Based on Measured Meniscus Motion

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1 Author(s)
Kye-Si Kwon ; Dept. of Mech. Eng., Soonchunhyang Univ., Asan, South Korea

Waveform design methods for piezo inkjet dispensers based on measured meniscus motion are presented. The meniscus motion is measured from charge-coupled-device camera images wherein strobe lights from light-emitting diodes are synchronized with the jetting signal. Waveforms for the piezo dispenser are designed such that the number of experiments can be significantly reduced compared to conventional methods. Furthermore, the designed waveform can also be evaluated by the measured meniscus motion since the motion is directly related to jetting behavior.

Published in:

Microelectromechanical Systems, Journal of  (Volume:18 ,  Issue: 5 )