What is copper foil? This classification is very easy to understand
2021-01-25
Copper foil is actually a kind of negative electrolytic material. Copper foil is a thin, continuous metal foil deposited on the substrate of the circuit board. As a conductor of PCB, copper foil is easy to be bonded to the insulation layer, receive the printing protection layer, and form a circuit pattern after corrosion. Copper foil has low surface oxygen characteristics and can be attached to various substrates, such as metals, insulating materials, etc
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