COMPOSITE FILM, SENSOR ELEMENT COMPRISING SAID COMPOSITE FILM, BODY FAT PERCENTAGE MEASURING DEVICE, AND ELECTROCHEMICAL CELL DEVICE, AND WEARABLE MEASURING DEVICE COMPRISING SAID SENSOR ELEMENT
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United States of America Patent
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Issued Date -
Sep 28, 2023
app pub date -
Jul 30, 2021
filing date -
Aug 14, 2020
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Abstract
The present invention provides a composite film that has electrical conductivity, mechanical strength and flexibility which resist being affected by moisture and are stable, and that can prevent position aberration and peeling in the case where the composite film is used in close contact with a body to be contacted; a sensor element, a body fat percentage measuring device, and an electrochemical cell device which are provided with the composite film; and a wearable measuring device including the sensor element. The composite film includes electroconductive nanoparticles and nanofibers, wherein the nanofibers have a plurality of gaps therebetween that are communicated with an outside; the electroconductive nanoparticles adhere to the surface of the nanofibers and exist in the plurality of gaps; the nanofibers are hydrophilic and biocompatible; and the composite film is electroconductive and is used in close contact with a body to be contacted that is hydrophilic-treated or that contains moisture.
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