Stretchable, flexible knitted circuits have arrived

“Knitted circuits could be embedded in your clothes, creating smart armor that measures a bullet’s impact or sensor-laden gloves for athletic training.

Computer can now knit together circuits (seriously!), potentially leading to electronic fabrics that are stretchable, permeable, durable, and washable. The researchers behind the study suggest their work could lead to wearable electronics for applications such as smart armor.

Circuit boards normally consist of electrically conductive foil laminated onto electrically insulating boards. For this project, the scientists developed what they call fabric circuit boards, which they fabricated using computerized knitting machines. Elastic yarns knit together with electrically conductive copper fibers coated in electrically insulating polyurethane. The resulting fabric is just 800 microns thick, just eight times the average diameter of a human hair.”

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