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首页> 外文会议>Proceedings of the 3rd international conference on electrical and information technologies for rail transportation: transportation >The Test Plan Design of Corrosion Fault Repeat and Material Selection for a Type of PCB
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The Test Plan Design of Corrosion Fault Repeat and Material Selection for a Type of PCB

机译：一类PCB腐蚀故障重复和材料选择的测试计划设计

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摘要

The failure analysis (FA) of the PCB indicates that the connecting line of relay pin and inner structure is broken for Cl corrosion. To verify the above conclusion and find the introducing path of Cl, the accelerated corrosion test profile is designed in this paper. The failure mode is repeated successfully after six cycles and Cl is found on the connecting line of relay obviously. Besides, the different design versions of PCBs with different placed orientations are compared in this test. And the better version of PCB and better placed orientation are confirmed consequently. The following works like material replacement and PCB design refinement can benefit from the results of this paper.
机译：PCB的故障分析（FA）表明，继电器引脚和内部结构的连接线因Cl腐蚀而断开。为了验证上述结论并找到Cl的引入路径，本文设计了加速腐蚀试验曲线。经过六个周期后，故障模式成功重复，并且在继电器的连接线上明显发现了Cl。此外，在此测试中比较了具有不同放置方向的PCB的不同设计版本。从而确定了更好的PCB版本和更好的放置方向。以下工作（例如材料更换和PCB设计改进）可以从本文的结果中受益。

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