Figure 5.

2-D percolation factor for samples obtained with several droplet numbers and ejection frequencies. The data corresponding to different frequencies are vertically shifted for the sake of clarity; the solid lines are guides for the eye, and the dashed lines represent the threshold of complete percolation.

Chiolerio et al. Nanoscale Research Letters 2012 7:502   doi:10.1186/1556-276X-7-502
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