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This paper reports a biaxial stretchable interconnect on an elastomeric substrate. To increase the stretchability of interconnects, a 2-D diamond-shaped geometry of gold on a polydimethylsiloxane substrate was adopted in which the potentially breakable points were covered with room temperature liquid alloy. Finite element model simulations were performed to identify the most vulnerable points subjected...
This paper reports a new and simple way to fabricate biaxially stretchable interconnects. To increase the stretchability, two novel ideas are suggested. These include 1) a geometry of 2-D diamond shaped gold lines on a PDMS substrate, and 2) coverage of potentially breakable points with liquid alloy. Stretchability of up to 60% was obtained using these techniques.
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