ENIG – electroless nickel immersion gold in PCB surface finishes

ENIG - electroless nickel immersion gold in PCB surface finishes

ENIG is a surface modification method that can be used on a variety of materials. In this process, the metal is immersed in an extremely pure solution of nickel chloride and water, which causes the metal’s surface to become covered with a layer of nickel oxide. This process can be used to create decorative items such as jewelry, pins, and earrings, but it can also be applied to other items such as lock cylinders and keys.

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