Six layers of green gold finger electric gold plate: the connecting finger is the connecting part between the memory module and the memory slot, and all signals are transmitted through the gold finger. The golden finger is composed of many golden conductive contacts. Because its surface is gold-plated and the conductive contacts are arranged like fingers, it is called the "golden finger". Gold finger is actually coated with a layer of gold on the CCL through a special process, because gold has strong oxidation resistance and strong conductivity.
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