Skin electrode for collecting skin signal and application of skin electrode
A signal acquisition and epidermis technology, which is applied in applications, medical science, sensors, etc., can solve the problems of electrical signal information deviation, complex electrode structure, and poor adhesion of human epidermis, and achieve good conformal contact, good air permeability, The effect of good biocompatibility
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Embodiment 1
[0040] In this example, the gold nano-network obtained by the grain boundary transfer method is used as the skin electrode material, and the gold nano-network is patterned by the method of sugar transfer, and the flexible conductive silver nano is used as the flexible electrode interconnected with external electronic components or test circuits. , the schematic diagram of the process for preparing the gold nano-network epidermal electrode is shown in figure 1 (a), including the following steps:
[0041] (1) transfer the gold nano-network obtained by the grain boundary transfer method to flexible polydimethylsiloxane;
[0042] (2) Using a laser cutter to prepare a bendable plastic mask for patterning gold nano-networks;
[0043] (3) adopting the method of sucrose transfer to pattern and transfer the gold nano network, place the plastic mask with the required pattern on the gold nano network, and cast the sucrose film of melting;
[0044] (4) When the sucrose was cooled to 25°...
Embodiment 2
[0052] The preparation method of the silver nanowire composite grid in this embodiment is the nanowire spraying method, and its preparation method comprises the following steps:
[0053] (1) transfer the silver nano-network obtained by the nanowire spraying method to flexible polydimethylsiloxane;
[0054] (2) Using a laser cutting machine to prepare a flexible plastic mask for patterning of silver nano-networks;
[0055] (3) Adopting the method of sucrose transfer to pattern and transfer the silver nano-network, place the plastic mask plate with the required pattern on the silver nano-network, and cast the sucrose film of melting;
[0056] (4) When the sucrose was cooled to 25°C and solidified, the sucrose became viscous enough to be peeled off from the silver nano-network and transferred to the skin; finally, the sucrose was washed off with deionized water to obtain an epidermis with a silver nano-network structure electrode.
[0057] The skin electrode of the silver nano ...
Embodiment 3
[0059] The preparation method of the copper nanowire composite grid in this embodiment is an electrospinning method, and its preparation method includes the following steps:
[0060] (1) Prepare a polyvinyl alcohol composite network structure with a diameter of about 200nm by electrospinning;
[0061] (2) On the obtained polyvinyl alcohol composite network, evaporate a layer of 30nm thick copper to obtain a copper nano network electrode based on the electrospinning method;
[0062] (3) Transfer the copper nano-network obtained by electrospinning to flexible polydimethylsiloxane;
[0063] (4) Using a laser cutting machine to prepare a bendable plastic mask for patterning copper nano-networks;
[0064] (5) The copper nano-network was patterned and transferred by a self-adhesive tape template transfer method to obtain a skin electrode with a copper nano-network structure.
[0065] The skin electrode of the copper nano network structure prepared by the above method is a network ...
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