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Sew and Transfer Method for Fabricating Highly Stretchable, Robust Electrical Interconnects

Summary

Purdue University researchers have developed a novel, sew and transfer method for rapid fabrication of low-cost, highly stretchable interconnects. Using a commercial sewing machine and double-thread stitch, with one of the threads being water-soluble polyvinyl alcohol (PVA), thin zigzag pattern metallic wires are sewn into a polymeric film and are subsequently transferred onto a stretchable elastomeric substrate by dissolving PVA in warm water. The resulting structures exhibit extreme stretchability and robustness.

Technology Benefits

Low-cost method to fabricate stretchable electronics Extreme stretchability and robustness No change in resistance with strain

Technology Application

Wearable electronics Skin mounted electronics Implantable medical systems

Detailed Technology Description

Babak ZiaieZiaie Biomedical Microdevices LaboratoryPurdue Electrical and Computer Engineering

Countries

United States

Application No.

None

Country/Region

USA

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