Origami, an ancient form of papercraft, provides a way to develop functional structures for engineering applications. In this paper, we report an approach to design and manufacture a stretchable circuit board (SCB) with origami structures. The benefits of developable, flat-foldable, and rigid-foldable origami-based structures as SCBs are discussed, and a representative structure, Miura fold (or Miura-ori), is chosen to be investigated. Under the constraints induced by the mounted components’ dimensions, the Miura-ori structures for specific applications can be defined. We propose three methods for better fabrication, including direct folding, stiffness modification, and kirigami enhancement, to improve a planar sheet’s foldability. A wearable ECG (electrocardiogram) system based on MO-SCB (Miura-ori enabled SCB) technology is built, and the stretchable portion is made of commercial FPCBs (flexible printed circuit board), providing desired stretchability and reliability. The proposed technology routine is compatible with industrial production and may pave the application of stretchable electronics.

折纸是一种古老的纸工艺品形式，它提供了一种开发工程应用功能结构的方法。在本文中，我们报告了一种设计和制造具有折纸结构的可拉伸电路板（SCB）的方法。讨论了可开发的，可折叠的和可折叠的基于折纸的结构作为SCB的好处，并选择了代表性结构Miura折叠（或Miura-ori）进行研究。在安装组件尺寸引起的约束下，可以定义用于特定应用的Miura-ori结构。我们提出了三种更好的制造方法，包括直接折叠，修改刚度和增强折纸效果，以改善平板的可折叠性。建立了基于MO-SCB（启用Miura-ori的SCB）技术的可穿戴式ECG（心电图）系统，可拉伸部分由商用FPCB（柔性印刷电路板）制成，可提供所需的可拉伸性和可靠性。所提出的技术程序与工业生产兼容，并且可以铺展可伸缩电子设备的应用。