Influence of Increased Voltage on the Characteristics of Printed Circuit Board Protective Coatings

被引：0
|
作者：
Hirman, Martin [1 ]
Steiner, Frantisek [1 ]
Hornak, Jaroslav [1 ]
Pihera, Josef [1 ]
Rous, Pavel [2 ]
机构：
[1] Univ West Bohemia, Fac Elect Engn, Dept Technol & Measurements RICE, Plzen, Czech Republic
[2] Univ West Bohemia, Fac Elect Engn, Dept Technol & Measurements, Plzen, Czech Republic
来源：
2018 INTERNATIONAL CONFERENCE ON DIAGNOSTICS IN ELECTRICAL ENGINEERING (DIAGNOSTIKA) | 2018年
关键词：
Conformal coating; increased voltage ageing; surface insulation resistance;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The article presents a research focused on printed circuit board protective coatings as an option for the assembled PCBs cover and electronic device reliability improvement. The experiment with different coatings is described in this article. For the experiment, rigid substrate (FR-4) is used. The protective coatings from acrylic, urethane, silicone and fluoropolymer materials were used. The differences in substrates and coatings have an effect on the insulation resistance which was measured by SIR test. The samples were exposed to accelerated aging test by increased voltage. The advantages, disadvantages, comparison and results from measurement are discussed in this paper. The results present the comparison of the tested conformal coatings. The importance of cleaning before application of coatings is the next part of results.
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页数：6
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