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. 2017 Apr 24;7:46739. doi: 10.1038/srep46739

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(b) Surface FESEM image of the horseshoe patterned Ag interconnector after stretching 20%. The dotted circle line indicates the uncoated region in the deep buckling region of the PDMS substrate. (c) Decrease in amplitude of a wavy-pattern on the surface region of PDMS substrate by decreasing pre-strain.