Bionic-attachment-type wearable health monitoring sensor manufacturing method

Abstract

The invention provides a bionic-attachment-type wearable health monitoring sensor manufacturing method, which is characterized by, to begin with, preparing a mushroom microarray negative complex holemold through 3D printing technology, and carrying out surface treatment; then, preparing a layer of silver nanowire flexible bottom electrode on the surface of the hole mold through spraying; pouringthe prepared piezoelectric composite material into the hole mold, carrying out vacuum defoaming to enable the piezoelectric composite material to fully fill holes in the hole mold, and placing the hole mold into an oven for baking to solidify the piezoelectric composite material; preparing a layer of silver nanowire flexible top electrode on the surface of the piezoelectric composite material through spaying, directly applying a direct voltage between the silver nanowire flexible top electrode and the silver nanowire flexible bottom electrode, and carrying out polarization on the piezoelectriccomposite material to obtain piezoelectricity; and finally, demolding from the hole mold to obtain a final attachment-type wearable flexible sensor. The method can prepare the attachable flexible piezoelectric sensor having different structure feature mushroom structure tail ends in a high-efficiency and low-cost manner, improves sensitivity of the sensor, reduces signal to noise ratio and does not need an external power source.

Description

technical field [0001] The invention belongs to the technical field of micro-nano manufacturing, and in particular relates to a manufacturing method of a bionic attached wearable health monitoring sensor. Background technique [0002] The rapid development of flexible electronic technology has enabled the new generation of smart phones, smart watches and smart wristbands to not only complete communication functions, but also require the ability to monitor environmental changes and provide personal health information. The wearable electronic devices on the market are still in the early stage of development. Biocompatible materials, sensors with higher sensitivity, and miniaturized energy devices still need further innovations to complete more flexible, multi-functional and integrated designs. To realize these applications, the development of self-driven high-sensitivity flexible sensing technology is the key. In order to achieve high-precision detection of human health signa...

AI Technical Summary

Problems solved by technology

Most of the flexible sensors that have been reported so far use Band-Aids to attach the sensor to the surface of the human skin or use medical elastic bandages to fix the sensor on the tested site. Fragile parts, such as eyelids, joints, especially during human movement, large strains can easily cause the sensor to fall off

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