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Does FR4 material cause any mechanical/electrical issues in the blind buried structure in a HDI PCB Design?

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Question added by Anupama UR , Electronics Engineer , Freelancing
Date Posted: 2016/08/09
malik aurangzaibawan
by malik aurangzaibawan , Attock Oil Refinery

yes FR-4  is a grade designation assigned to glass-reinforced epoxy laminate sheets, tubes, rods and printed circuit boards (PCBs). FR-4 is a composite materialcomposed of woven fiberglass cloth with an epoxy resin binder that is flame resistant .

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