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. 2020 Mar 13;10:4639. doi: 10.1038/s41598-020-61658-z

Figure 4.

Figure 4

The cross-sectional SEM images of Ag/PDMS based sensors with various filling ratio: (a) 200 wt.%, 800 rpm and (b) 175wt.%, 800 rpm under states of non-deformation and 20% elongation.