压延铜箔(Rolled copper foil)基本意思：箔是很薄很薄的意思。铜箔就是很薄的铜产品。像纸一样的铜，它的厚度是用微米来表示的。一般在5um-135um之间，越薄越宽的就越不好生产出来。压延的意思就是压缩延长的铜箔。
该锌-镍合金作为印制板用压延铜箔的阻挡层。
The alloy coating obtained is used as the barrier layer of wrought rolled copper foil in PCB manufacturing.
FPC分敷铜和压延铜两种，敷铜板的铜箔是凸出来的，细看的话能从焊盘与FPC的连接处看出来。
FPC deposited copper and rolled copper two, copper clad plate of copper foil is convex and scrutiny to from the pads and the FPC connection point out.
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