Acta Optica Sinica, Volume. 43, Issue 10, 1031002(2023)
Control of Multi-Nozzle Inkjet Droplet Uniformity Based on Volume Variance
Figures & Tables(9)
Fig. 1. PiXDRO LP50 inkjet printing system. (a) Photograph of entire PiXDRO LP50 inkjet printing system; (b) diagram of PiXDRO LP50 printhead and module
Fig. 2. Driving voltage trapezoidal pulse wave of inkjet printing printhead module
Fig. 3. Variation in velocity of ink droplets ejected by 10 randomly numbered nozzles with driving voltage. (a) Variation in velocity of ink droplets ejected by 10 randomly numbered nozzles with driving low voltage VL; (b) variation in velocity of ink droplets ejected by 10 randomly numbered nozzles with driving high voltage VH
Fig. 4. Variation in velocity of ink droplets ejected by 10 randomly numbered nozzles with time of driving voltage.（a）Variation in velocity of ink droplets ejected by 10 randomly numbered nozzles with rising time TR；（b）variation in velocity of ink droplets ejected by 10 randomly numbered nozzles with peak time TP；（c）variation in velocity of ink droplets ejected by 10 randomly numbered nozzles with falling time TF
Fig. 5. Volume of ink droplets ejected by 10 randomly numbered nozzles varying with driving high voltage
Fig. 6. Volume of ink droplets ejected by 10 randomly numbered nozzles varying with peak time of driving voltage
Fig. 7. Variation of droplet volume variance with driving voltage for multi-nozzle inkjet printing.（a）Variation of droplet volume variance with driving low voltage for multi-nozzle inkjet printing；（b）variation of droplet volume variance with driving high voltage for multi-nozzle inkjet printing
Fig. 8. Variation of droplet volume variance with time of driving voltage for multi-nozzle inkjet printing and ink droplets ejected simultaneously and uniformly by multi-nozzles after optimizing inkjet printing parameters.（a）Variation of droplet volume variance with TR for multi-nozzle inkjet printing；（b）variation of droplet volume variance with TP for multi-nozzle inkjet printing；（c）variation of droplet volume variance with TF for multi-nozzle inkjet printing；（d）ink droplets ejected simultaneously and uniformly by multi-nozzles after optimizing inkjet printing parameters
Table 1. Minimum variance and range deviation of volume variance of droplets ejected simultaneously by multi-nozzles with different inkjet printing parameters
View tableTable 1. Minimum variance and range deviation of volume variance of droplets ejected simultaneously by multi-nozzles with different inkjet printing parameters
Parameter Minimum variance Range deviation VL=40 V 0.0065 0.0137 VH=100 V 0.0061 0.4132 TR=5 μs 0.0280 1.9940 TP=9 μs 0.0056 0.4230 TF=6 μs 0.1701 0.2169
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Jianpu Lin, Shengjie Zhang, Xianghong Cao, Yun Ye, Tailiang Guo. Control of Multi-Nozzle Inkjet Droplet Uniformity Based on Volume Variance[J]. Acta Optica Sinica, 2023, 43(10): 1031002
Paper Information
Category: Thin Films
Received: Oct. 19, 2022
Accepted: Feb. 9, 2023
Published Online: May. 9, 2023
The Author Email: Ye Yun (yeyun07@fzu.edu.cn)
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