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Why immersion gold PCB is more popular than gold plated PCB?

2019-05-14


Nowadays immersion gold is used widely in PCB manufacturing, compared with gold plated PCB, immersion gold PCB is much more popular, the reasons as below,

1. Because the crystal structure formed by immersion gold and gold plating is different, immersion gold will be golden yellow and more yellow than gold plating, and customers are more satisfied.

2. Because the crystal structure formed by immersion gold and gold plating is different, immersion gold is easier to weld than gold plating, which will not cause poor welding and cause customer complaints.

3. Because immersion gold has only nickel and gold on the PCB pad, the signal transmission is not affected in the copper layer.

4. Because of the immersion gold, the crystal structure is denser and it is not easy to produce oxidation.

5, because the immersion gold only has nickel and gold on the PCB pad, so it will not produce gold wire and cause it to be short.

6. Because the immersion gold has only nickel and gold on the PCB pad, the solder mask joint on the line is more firmly bonded to the copper layer.

7. The CAM engineer will not affect the spacing when making compensation.

8. The flatness and standby life of the immersion gold PCB are as good as the gold plate PCB.




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