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2015 | OriginalPaper | Buchkapitel

Comparative Analysis of Printed Circuit Board Coating on Corrosion Test

verfasst von : Chengyu Ju, Xiaohui Wang, Run Zhu, Xiaoming Ren

Erschienen in: Engineering Asset Management - Systems, Professional Practices and Certification

Verlag: Springer International Publishing

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Abstract

In this paper, four kinds of coating (acrylic coating, polyurethane coating, silicone coating, ParyleneC coating) on printed circuit board have been studied in terms of moisture absorption, insulation resistance and surface morphology by fungus test, salt fog test and humidity test. The results show humidity test has largely effect on coating than salt fog test; the smallest effect is fungus test. ParyleneC coating is the best material by the three corrosion test, the second is silicone coating, the third is polyurethane coating, and the last one is acrylic coating. What is more, the weakest parts on acrylic coating are the edge of the solder paste, through-hole and so on.

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Metadaten
Titel
Comparative Analysis of Printed Circuit Board Coating on Corrosion Test
verfasst von
Chengyu Ju
Xiaohui Wang
Run Zhu
Xiaoming Ren
Copyright-Jahr
2015
DOI
https://doi.org/10.1007/978-3-319-09507-3_115