Hard Gold PCB
Hard Gold PCB, immersion gold pcb, is to immerse the board in the plating tank and apply current to form a nickel-gold coating on the copper foil surface of the board. The electro-nickel gold is characterized by high hardness, wear resistance and oxidation resistance. Widely used in applications.
Introduction to Hard Gold PCB Technology:
What is Immersion Gold Plating:
Everyone chooses immersion gold plating, then what is immersion PCB gold plating, we say the whole plate gold plating, generally refers to "electroplating gold", "electroplated nickel gold plate", "electrolytic gold", "electric gold", "electric nickel plate", soft gold and the distinction between hard gold(usually hard gold is used for gold fingers), the principle is to dissolve nickel and gold (commonly known as gold salt) in chemical potion, dipping the board in the plating tank and turning on the current on the PCB. A nickel-gold plating layer is formed on the surface of the copper foil, and the nickel-gold alloy is widely used in electronic products because of its high hardness, wear resistance, and oxidation resistance.
Electric gold standard: nickel thickness 3-5um; gold thickness 0.25-1.5um; gold thickness minimum 3U''.
The Application of Hard Gold PCB
Hard Gold PCB is widely used in intelligent AI, entertainment, educational robots or other industrial intelligent equipment to expand and contract, rich in change action, frequent separation and contact of local ports of the device, which requires good wear resistance of the PCB at the contact area of the port. Sexual and not easily oxidized.
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