Jingdezhen chooses the best manufacturer of double conducting copper foil
The copper clad laminate is composed of copper foil, reinforcement material and adhesive. Plates are usually classified according to the reinforcement material category and adhesive category or plate characteristics.
Jingdezhen chooses the best manufacturer of double conducting copper foil
Foil making material requirements: the thinner the thickness is, the higher the quality grade is, and the lower the impurity content in the electrolyte is required. In order to ensure the quality, the purity of copper must be greater than 99.9%.
Jingdezhen chooses the best manufacturer of double conducting copper foil
Electrolytic copper foil is made by dissolving copper into copper sulfate solution, electrodepositing the copper sulfate electrolyte under the action of direct current in special electrolytic equipment to make the original foil, and then carrying out surface treatment, heat-resistant layer treatment, oxidation prevention treatment and other surface treatment processes on the original foil according to customer requirements.
Jingdezhen chooses the best manufacturer of double conducting copper foil
The surface of the copper foil shall be smooth and clean without obvious wrinkles, oxidation spots, scratches, pitting, pits and stains. The porosity of 305g/m2 and above shall not exceed 8 penetration points within the area of 300ram × 300mm; The total area of pores on an area of 0.5m2 shall not exceed the circular area with a diameter of 0.125mm.
