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This wearable device monitors health by measuring body temperature. It uses a flexible circuit board folded into layers, with a temperature sensor on one side of a layer and a heat-collecting area on the other. Heat from the body travels through this heat-collecting area and then through a tiny vertical connection within the circuit board to reach the sensor. The device then wirelessly sends these temperature readings to another device for analysis.
Why it matters: The specific flexible PCB architecture with integrated thermal pathways and sensor placement was challenging in 2018. Advances in flexible electronics manufacturing and materials, alongside more powerful edge computing for health insights, could make this design more viable now.
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