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Engineering study demonstrates automated 3D printing of flexible circuits using silicone and liquid metal, indicating high reliability for wearable devices.
A fully automated additive manufacturing process that produces all-printed flexible and stretchable electronics is demonstrated. The printing process combines soft silicone elastomer printing and liquid metal processing on a single high-precision 3D stage. The platform is capable of fabricating extremely complex conductive circuits, strain and pressure sensors, stretchable wires, and wearable circuits with high yield and repeatability.
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Mohammed et al. (2017) studied this question.
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