导电胶粘剂,适用于要求高的温度循环环境和水浸

S. Lahokallio, J. Kiilunen, L. Frisk
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引用次数: 0

摘要

导电胶粘剂是一种多功能的附着材料,为工业电子中的许多应用提供了好处。然而,这些材料的稳定性通常不如金属和陶瓷,因此必须仔细研究它们在苛刻环境中的适用性。本文研究了各向异性导电胶粘剂(ACA)在高温循环和水浸两种苛刻环境下的性能。在测试过程中进行了实时测量。ACA材料之间存在显著差异。一些ACA材料的研究取得了可喜的结果,强调了材料选择的重要性。在一些用于失效分析的研究样本中,可以看到ACA互连中的裂纹。然而,目前尚不清楚裂缝是否是测试失败的原因。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Electrically conductive adhesives for demanding temperature cycling environment with water immersions
Electrically conductive adhesives are versatile attachment materials offering benefits for many applications in industrial electronics. However, the stability of these materials is typically less than that of metals and ceramics, thus their suitability for demanding environments must be carefully studied. In this paper the performance of anisotropically conductive adhesive (ACA) attachments was studied in a demanding environment combining both high temperature cycling and water immersions. Real-time measurements were conducted during testing. Significant differences between the ACA materials were seen. Promising results were obtained with some of the ACA materials studied, emphasising the importance of material choice. Cracking in the ACA interconnections could be seen in some of the samples studied for failure analysis. However, it remained unclear whether the cracks were the reason for the failures during testing.
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