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utomatic Joining of Electrical Components to Smart Textiles by Ultrasonic Soldering
Sensors ( IF 3.4 ) Pub Date : 2021-01-14 , DOI: 10.3390/s21020545
Sebastian Micus , Michael Haupt , Götz T. Gresser

A suitable connection method to automatically produce E-textiles does not exist. Ultrasonic soldering could be a good solution for that since it works with flux-free solder, which avoids embrittlement of the textile integrated wires. This article describes the detailed process of robot-assisted ultrasonic soldering of e-textiles to printed circuit boards (PCB). The aim is to understand the influencing factors affecting the connection and to determine the corresponding solder parameters. Various test methods are used to evaluate the samples, such as direct optical observation of the microstructure, a peeling tensile test, and a contact resistance measurement. The contact strength increases by reducing the operating temperature and the ultrasonic time. The lower operating temperature and the reduced ultrasonic time cause a more homogeneous metal structure with less defects improving the mechanical strength of the samples.

中文翻译:

通过超声波焊接将电气组件自动连接到智能纺织品

不存在合适的自动生成电子纺织品的连接方法。超声波焊接可能是一种很好的解决方案,因为它可与无助焊剂的焊料一起使用,从而避免了纺织品集成线的脆化。本文介绍了自动辅助将电子纺织品超声波焊接到印刷电路板(PCB)的详细过程。目的是了解影响连接的影响因素并确定相应的焊接参数。各种测试方法用于评估样品,例如直接光学观察微观结构,剥离拉伸测试和接触电阻测量。通过降低工作温度和超声波时间,可以提高接触强度。
更新日期:2021-01-14
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