Table 2 Different substrate materials and control waveforms used
From: Application of pulse width modulation control in EHD waveform to optimize printing performance
No. | Substrate material | Surface roughness (μm) | Thickness | Waveform used | PWM parameters (voltage amplitude (V), duty cycle) |
|---|---|---|---|---|---|
1 | Silanized Glass | Sa: 0.6513, Sz: 2.7541 | 1.2 mm | Biased Voltage Pulse | 2250 V, 85% |
2 | Microscope Slide | Sa: 0.0913, Sz: 0.8134 | 1.0 mm | AC Voltage | 2250 V, 88% |
3 | PET Film | Sa: 0.6430, Sz: 4.1667 | 25 μm | Trapezoidal Voltage | 1250 V, 85% |
4 | Photo Paper | Sa: 0.8489, Sz: 4.4529 | 200 μm | Biased Voltage Pulse | 1250 V, 92% |
5 | Copper Plate | Sa: 1.2177, Sz: 17.5618 | 2 mm | Trapezoidal Voltage | 1250 V, 83% |
6 | FR4 | Sa: 0.2120, Sz: 1.3259 | 2.6 mm | AC Voltage | 2850 V, 90% |
