Processing method of rolled copper foil mother material
A processing method and technology of rolling copper foil, which is applied in metal rolling and other directions, can solve the problems that restrict the production of rolled copper foil base material, and achieve the effect of excellent internal structure, uniform performance and high dimensional accuracy
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[0035] The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present invention, but should not be construed as limiting the present invention.
[0036] A method for processing rolled copper foil base material, including the following steps:
[0037] (1) Material selection: In order to reduce the impurity content of the product and improve the purity of the material, high-purity cathode copper (copper content greater than 99.95%) is used as the raw material, and the electrolytic copper sheet is passed through dilute sulfuric acid with a concentration of 6-10% After washing, it is dried in a nitrogen atmosphere to remove the oxide scale and impurities on the surface of the raw material.
[0038] (2) Melting: The processed raw materials are sent to the smelting furnace for smelting. The smelting furnace in this embodiment adopts a self-developed furnace cover, which is basically sealed with only a switchable feeding window, and a ...
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