Fig. 7: Jetting states at different time points, with each image from left to right showing 0.18 ms, 0.22 ms, 0.27 ms, and 0.35 ms.
From: Application of pulse width modulation control in EHD waveform to optimize printing performance

a Duty cycle of 50%,75%, 85% and 100% (from top to bottom). b Experimental images at the same moment