Kyocera Corporation has unveiled one of the smallest known optical blood-flow sensors, which measures the volume of blood flow in subcutaneous tissue. Measuring only 1mm high, 1.6mm long and 3.2mm wide, the sensor is designed for use in small devices such as smartphones and wearable devices.Kyocera, which provides a wide range of components for smartphones and wearables, has been developing slimmer, smaller products to support higher functionality in more compact devices. The company developed
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