Folding design leads to heart sensor with smaller profile

Wireless, wearable, and flexible electrocardiogram monitor with app data. Credit: Kuniharu Takei

As advances in wearable devices push the amount of information they can provide consumers, sensors increasingly have to conform to the contours of the body. One approach applies the principles of kirigami to give sensors the added flexibility.

Researchers want to leverage the centuries-old art of cutting paper into designs to develop a sensor sheet that can stretch and breathe with the skin while collecting electrocardiographic data. In Applied Physics Reviews, the sensor made by researchers in Japan uses cuts in a film made of polyethylene terephthalate (PET) …
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