印刷电子学为设计低成本的电子产品提供了一个广阔的前景。在未来几年内,采用印刷技术,在低温条件下使用纳米材料可能会带来印刷电子产业的变革。印刷电子产品可包括非常廉价的射频标签技术(RFID)、低廉的并可随意处理的显示器/电子纸、内部连接件、部分电子组件(如印刷电路板)、传感器、存储器以及耐用的用户界面。此外,印刷电路板可用喷墨印刷片基代替。直接打印的纳米粒子油墨还可用于电互连组件。在如何选择合适的材料以及如何使材料沉积和热压结更精确等方面,最大的挑战是如何确保互连部分的质量。适当的过程控制将保证印刷互连组件有适合的导电率。其中,印刷参数,如油墨温度、墨盒高度、片基温度(片基表面接受墨滴的位置是固定的)等,是印刷质量评价中应考虑的影响因素。为了使导电线路得到良好的分辨率和可重复使用的性能,这些参数非常重要。另一个关键技术是片基处理,它同样决定了线路板的质量和分辨率,由油墨与片基表面之间的化学交互作用(表面能)确定油墨附着在片基的质量。一个优化的表面可以在金属线路黏结和分辨率之间找出最佳关系。通过比较不同的表面处理方式,可以得到表面能的最佳值。常见表面处理方式有等离子处理、电晕处理和化学处理。在本研究中,对所用聚酰亚胺片表面采用电晕处理和化学溶液处理,用于评价表面能和确定最佳表面能值。 Printed electronics offers a promising future for designing low-cost electronic products. In the next few years, the use of printing technology, the use of nanomaterials at low temperatures may bring the printing electronics industry changes. Printed electronics may include very low cost RFID technology, inexpensive and disposable displays / e-paper, internal connectors, some electronic components such as printed circuit boards, sensors, memory, and a robust user interface. In addition, printed circuit boards can be replaced by inkjet printing substrates. Direct printed nanoparticle inks are also used for electrical interconnection components. The biggest challenge is how to ensure the quality of the interconnections in terms of how to choose the right material and how to make the material deposition and hot-stamping more accurate. Proper process control will ensure that the printed interconnect has a suitable electrical conductivity. Among them, the printing parameters, such as ink temperature, ink cartridge height, substrate temperature (film-based surface to accept the location of ink droplets is fixed), etc., is the printing quality evaluation should be considered factors. These parameters are important in order to achieve good resolution and reusable performance of the conductive traces. Another key technology is substrate-based processing, which also determines the quality and resolution of the board, and the quality of ink adhesion to the substrate is determined by the chemical interaction (surface energy) between the ink and the substrate surface. An optimized surface can find the best relationship between metal line bonding and resolution. By comparing different surface treatments, the best surface energy can be obtained. Common surface treatment methods are plasma treatment, corona treatment and chemical treatment. In this study, corona treatment and chemical solution treatment were applied to the surface of the polyimide sheet used to evaluate the surface energy and to determine the optimum surface energy.