“无铅化”多层板间的结合力如何提高和改善的有益探索和建议

The discussion of how to improve adhesion strength between MLB PCB layers in lead free area

用核磁共振分析法对电子玻纤布化学后处理用硅烷(含和不含氟碳表面活性剂)水溶液,其化学组成随pH值变化规律中推理描绘出低浓度下硅烷水溶液,其化学组成随PH值变化之规律。由于AF168S(含氟碳表面活性剂)就可以在pH≈5.6条件下获得稳定、高效、可靠应用,并经有益实践探索见证了推理正确,为多层板间的结合力提高和改善找到了一种途径。由此笔者建议可以再引入氟碳偶联剂,为多层板间的结合力再提高进行积极探索。

This paper introduced the method of improving the adhesion strength for MLB PCBs in the lead free age.By using the AF168S,we could obtain stable,high efficient and reliable application under the pH 5.6.At the same time,we could further apply other coupling agents to strengthen the adhesion strength.