Printed circuit board surface finish can be either organic or metallic, and comparing both types and available options can help determine their relative benefits and drawbacks. The most suitable finish is usually chosen based on the end application, assembly process, and circuit board design. Below is a brief summary of the most common finishes, but for further information, please contact us. We will be happy to answer any questions you may have about specific PCB surface finishes.
ENIG – Immersion gold / Electroless Nickel Immersion Gold
Typical thickness 3 – 6um Nickel / 0.05 – 0.125um Gold. Shelf life: 12 months
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