The resistance of the copper rate is low, so in printed circuit board, used to prepare copper foil and double panel, produce multilayer prototypes via metallization copper with on the process.
金属铜的电阻率低，所以在印制电路板中，用来制备铜箔及双面板、多层板的孔金属化方面采用镀铜工艺。
2
The outer copper or metallic braid in coaxial cable comprises half the electric circuit.
同轴电缆中的外包铜质或金属辫网组成一半的电路。
3
Apply to: apply to: acid electroplated copper electric circuit board electroforming mould and electroplating for printing plate making etc.