Preparation method and preparation device of elastic circuit or electrode

Abstract

The invention provides a preparation method and preparation device of an elastic circuit or an electrode. According to the preparation method and preparation device, a conductive template circuit or electrode is used; a connection pump and a connection tube are adopted to extract upwards liquid metal refined to a nanometer to micron level into a container containing the template circuit or electrode; an external power source, the template circuit or electrode and the liquid metal constitute a conductive loop; the liquid metal is attached onto the surface of the template circuit or electrode under the action of voltage and current, so that the pattern of the circuit or electrode can be replicated; and the surface of the circuit or electrode is immersed with a liquid elastic material, afterthe liquid elastic material is solidified, an elastic body is stripped, the liquid metal attached onto the surface of the template circuit or electrode can be stripped accordingly, and therefore, a liquid metal circuit and electrode embedded in the elastic body are obtained. The method has the advantages of simplicity, easiness in implementation, low cost and high preparation efficiency. The wirewidth of the elastic circuit or electrode can be controlled through controlling the wire width of the template circuit or electrode, so that the control of the wire width is easy.

Description

technical field [0001] The invention relates to the technical field of flexible electronics, in particular to a method and device for preparing elastic circuits or electrodes, and has broad application prospects in the fields of flexible electronic device circuits, flexible sensors, and the like. Background technique [0002] Flexible electronics can be summarized as an emerging electronic technology that manufactures organic / inorganic material electronic devices on flexible / ductile plastic or thin metal substrates. It has broad application prospects in information, energy, medical, national defense and other fields, such as flexible electronic displays, organic Light-emitting diode OLED, printed RFID, thin-film solar panel, electronic surface paste (SkinPatches), etc. Flexible electronics have attracted more and more attention in recent years due to their unique flexibility / stretchability, especially in consumer electronics and biomedical applications. [0003] So far, the...

AI Technical Summary

Problems solved by technology

Currently, there are various methods to fabricate liquid metal circuits or electrodes, for example, inkjet printing, microfluidic injection, template deposition, 3D printing, direct writing, stencil printing, etc., all of which have their own unique advantages. Advantages, however, the line width of elastic circuits or electrodes prepared by these methods is not easy to control, the process is complicated, the requirements for experimental equipment are high, and rapid preparation cannot be achieved. Therefore, it is necessary to simply and quickly prepare stretchable elastic circuits or electrodes with controllable line width One of the technical research topics in this field

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