Copper foil and copper; Aluminum; Epoxy resin; Glass fiber;Supply chain logistics; All these five factors affect the rise price of copper clad sheet and FR4 semi-cured sheet....
More...You may not be familiar with FR4 substrate, right? Don't know what it's made of? Or don't know its performance characteristics and standard thickness of FR4 substrate? I think this article will be the best one for you....
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