What are the basic requirements for electrolytic copper foil
2020-03-29
1. Appearance quality The two sides of the copper foil shall be free of scratches, pits, wrinkles, dust, oil, corrosives, fingerprints, pinholes, penetration points and other defects that affect the life, usability or appearance of the copper foil. 2. In general, the thinner the copper foil is, the higher the precision of the printed circuit board is. However, with the copper foil
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