Factors that affect the surface resistance of the board include the board material, the presence of coatings such as solder masking or conformal coatings, and board cleanliness.
影响印制板表面电阻的因素包括印制板材料、有无涂层(例如防焊漆或保形涂层)，以及电路板的清洁。
After rolls over the hoop surface cleanliness has to the Pu board surface and zinc plate coating seriously affects not good.
轧后带钢表面清洁度对普板表面及锌板镀层均有严重不良影响。
Circuit Board Ionic Cleanliness Measurement: What Does it Tell Us?
电路板离子洁净度测量：它告诉我们什么？
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