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Why do interfaces need gold plating?

1. Gold plating can improve signal transmission quality and stability

Since gold has good conductivity and corrosion resistance, the connectors of electronic components can be gold-plated to improve the quality and stability of signal transmission. Gold reacts slowly with oxygen, water and other substances in the environment, which can effectively slow down the formation of oxide layer on the surface of the connector, thereby maintaining a good electrical connection.

2. Prevent oxidation contamination on the connector surface

Oxidation on the connector surface can lead to problems such as poor connection and signal interference, which has a great impact on engineers and technicians engaged in the development of rigorous and precise instruments. Gold plating can form an anti-oxidation protective layer, effectively avoiding these problems.

3. Enhance the wear resistance of connectors

Some electronic device connectors are susceptible to factors such as plug-in and pull-out friction over a long period of time, which can easily cause interface failure and line breakage and make them unusable. By gold plating, the connector part not only has better corrosion resistance, but also improves the surface hardness, greatly increasing the service life of the connector.

Therefore, electronic equipment connectors are easily affected by factors such as plug-in friction over a long period of time, which can easily cause interface failure and line breakage and make them unusable.The joint part not only has better corrosion resistance, but also has improved surface hardness, which greatly increases the service life of the joint。 

For example, in the mobile phone below, you can see that the red boxes are all gold-plated areas, most of which are FPC interfaces and connectors.

Partial gold plating

Partial gold plating