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中国腐蚀与防护学报  2024, Vol. 44 Issue (5): 1145-1156     CSTR: 32134.14.1005.4537.2023.377      DOI: 10.11902/1005.4537.2023.377
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印制电路板在服役环境中的腐蚀失效行为研究进展
刘元海1, 李玉珠2, 郁大照3, 慕仙莲1, 刘杰2()
1 中国特种飞行器研究所 结构腐蚀防护与控制航空科技重点实验室 荆门 448035
2 烟台大学化学化工学院 烟台 264005
3 海军航空大学航空基础学院 烟台 264000
Research Progress on Corrosion Failure Behavior of Printed Circuit Board in a Service Environment
LIU Yuanhai1, LI Yuzhu2, YU Dazhao3, MU Xianlian1, LIU Jie2()
1 China Special Vehicle Reserch Institute, Key Laboratory of Corrosion Protection and Control of Aviation Technology, Jingmen 448035, China
2 School of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
3 School of Basic Sciences for Aviation, Naval Aviation University, Yantai 264000, China
引用本文:

刘元海, 李玉珠, 郁大照, 慕仙莲, 刘杰. 印制电路板在服役环境中的腐蚀失效行为研究进展[J]. 中国腐蚀与防护学报, 2024, 44(5): 1145-1156.
Yuanhai LIU, Yuzhu LI, Dazhao YU, Xianlian MU, Jie LIU. Research Progress on Corrosion Failure Behavior of Printed Circuit Board in a Service Environment[J]. Journal of Chinese Society for Corrosion and protection, 2024, 44(5): 1145-1156.

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摘要: 

归纳了导致印制电路板(PCB)腐蚀失效的主要因素，包括自身材料性能因素及外界环境因素的影响，概括了不同表面处理工艺的优缺点，总结了多因素协同作用下PCB腐蚀失效机制。概括了PCB腐蚀失效研究的主要试验方法和研究方法，阐明了不同试验方法在PCB腐蚀失效研究中的优缺点，对PCB在服役环境中常见的腐蚀类型进行总结。最后，提出将环境试验与仿真分析相结合以建立更贴合实际服役环境的PCB腐蚀失效模型。
关键词 ： 印制电路板,  腐蚀失效,  环境试验,  仿真分析,  电气性能    
Abstract：

Printed circuit board (PCB) was one of the indispensable basic components in the electronic system, once damaged will lead to the failure of the entire electronic system. Therefore, it was particularly important to understand the nature of corrosion failure of PCB in practical service. This paper summarized the main factors that lead to the corrosion failure of PCB, including the property factors related with materials and external environmental factors (temperature, relative humidity, corrosive gas, electric field, etc.), summarizing the advantages and disadvantages of different surface treatment processes, and concluding the synergistic effect of external environment factors on the corrosion failure mechanism of PCB. The main testing methods for corrosion failure research of PCB is summarized. The advantages and disadvantages of different testing methods in corrosion failure research of PCB were clarified, and the progress of common corrosion types of PCB in different service environments was summarized. Finally, the combination of environmental testing and simulation analysis was proposed to establish a PCB corrosion model that was more suitable for the actual service environment.
Key words： printed circuit board    corrosion failure    environmental test    simulation analysis    electrical performance
收稿日期: 2023-11-27      32134.14.1005.4537.2023.377
ZTFLH:  TG172  
基金资助:山东省泰山学者工程(tsqn202306160);烟台先进材料与绿色制造山东省实验室开放课题(AMGM2024F03)
通讯作者: 刘杰，E-mail：liujie6573@163.com，研究方向为海洋腐蚀与防护
Corresponding author: LIU Jie, E-mail: liujie6573@163.com
作者简介: 刘元海，男，1981年生，硕士，研究员
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https://www.jcscp.org/CN/10.11902/1005.4537.2023.377      或      https://www.jcscp.org/CN/Y2024/V44/I5/1145

ClassificationDesignation
Rigid plateCCIXPC、XXXPC、FR-1、FR-2、FR-3
CEMCEM-2、CEM-4、CEM-1、CEM-3、CEM-5
CCLG-10、G-11、FR-4、FR-5、PI、PTFE、BT、PPE(PPO)、CE, etc
Special substrateresin coated copper (RCC), metal substrate、ceramic substrate, etc
Flexible platePolyester resin copper clad laminate, polyimide resin copper clad laminate, etc
表1  PCB绝缘材料分类
图1  不同温度下1/Rct与时间的关系[41]
图2  在65℃不同RH下1/Rct与时间的关系 [47]
图3  在1.2 V电压、盐浓度为1~30 µg/m3的条件下PCB腐蚀预测[67]
图4  PCB-ENIG镀金层表面缺陷以及1个月后的截面形貌照片[82]
图5  不同表面处理PCB的ECM腐蚀模型[11,12]
图6  12 V偏置电压下PCB-Cu的异常ECM现象模型[79]
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