A high-sensitivity flexible pressure sensor based on modified paper base and its preparation method
A pressure sensor and high-sensitivity technology, applied in the field of sensors, can solve problems such as low sensitivity, slow response time, and poor durability, and achieve high sensitivity, improved electrical characteristics, and good durability
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[0042] Such as figure 1 As shown, the structure of the high-sensitivity flexible pressure sensor based on the modified paper base of the present invention is as follows: the modified paper base impregnated with the conductive solution is used as the paper base sensing unit 4, and the circular interdigitated electrode 3 is used to output electrical characteristics For the signal, the micro-dome contact array 5 is used to amplify the electrical characteristic change signal when the pressure is applied, and two silicon rubber films 1 are used to package the sensor integrally. In the figure, double-sided transparent VHB tape 2 is used to fix the interdigital electrodes to ensure the stability of the signal.
[0043]The paper base used in this example is a commercially available three-ply toilet paper, which is cut to 10mm×10mm.
[0044] The circular interdigitated electrodes used in this embodiment were purchased from Shenzhen Yibang Precision Circuit, with a diameter of 10 mm, a...
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