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。
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？
IPC-TP-1113 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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