| 摘要 |
PURPOSE: A method for manufacturing an amorphous structured nickel-phosphorus alloy electroplating layer with improved ductility is provided to improve mechanical connecting property by proceeding plating as applying periodic-reverse pulse current to the cathode. CONSTITUTION: In a method for manufacturing an amorphous ductile nickel-phosphorus alloy electroplating layer, the method is characterized in that plating is carried out by installing the cathode and the anode in an ordinary electrolytic plating bath, maintaining current density of the cathode to 0.2 to 0.3 A/cm¬2 and current density of the anode to 0.2 to 0.35 A/cm¬2 at a certain temperature until a certain thickness of coating is deposited on a substrate, and maintaining plating time of the cathode to 6 to 9 times of plating time of the anode, wherein a copper plate is used as the cathode, and wherein a platinum mesh is used as the anode.
|
