Comprehensive Introduction to PCB Surface Finish Types

 Hard Gold is another name for Plated Gold. Surface finish is expensive because it adds a layer of gold to the PCB. The PCB is coated with a gold layer by electroplating. The circuit board is strengthened by the gold layer, which is tightly bonded. Gold is a superior conductor and offers a high-quality electrical performance. The gold finish also has a commendable resistance to oxidation. PCBs are ideal for this finish, since they can withstand high wear. The gold surface finish can last a long while.

This type of finish is expensive due to the extra processing needed. The thickness of the gold affects the price. As the thickness of the gold immersion rises, so does the cost. Processing surface finish is challenging. It is a rare material because of its high cost, but it has a great surface finish. Hard gold is not solderable.

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