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Hard gold PCB

Hard gold PCB--plating gold can be divided into hard gold and soft gold. Because the hard gold plating is an alloy, the hardness is relatively hard. It is suitable for use in places where friction is required. It is generally used as a contact point on the edge of the PCB (commonly known as gold fingers).The following is about Hard gold plated PCB related, I hope to help you better understand Hard gold plated PCB.