Fabrication of fabric-based flexible circuits via electron-beam radiation curing
This study focuses on the preparation of fabric-based flexible circuits using polyester fabric(PET)as a substrate via radiation curing and chemical copper plating methods.The microstructures,elemental distributions,durabilities,and stabilities of the flexible circuits were investigated.In this experiment,an industrial electron accelerator was utilized in conjunction with a steel plate"film"mold containing circuit structures to achieve selective irradiation by electron beams.Consequently,cured coating areas corresponding precisely to the designed circuit diagram(containing Ag/Fe3O4 catalyst)were formed on the fabric.Subsequently,metal layers were deposited in situ via chemical plating to construct fabric-based flexible circuits.Scanning electron microscopy(SEM),energy-dispersive X-ray spectroscopy(EDS),and X-ray diffraction(XRD)results demonstrated that the fabricated flexible circuit exhibited a well-defined structure and a highly crystalline conductive copper layer.During a bending test comprising 15 000 cycles,the resistance change rate of the fabric-based flexible circuit remained below 16%,whereas during a temperature variation test ranging from 15℃to 55℃,it remained below 5%.These results suggest that the circuit exhibits exceptional durability and stability.The fabrication method for fabric-based flexible circuits presented herin offers novel insights into the development of smart textile products.
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维普
