Immersion Gold (ENIG)

Immersion Gold (ENIG)

Electroless Nickel Immersion Gold is one of the most popular widely-used circuit board finishes available today. Constructed with two layers of coating, ENIG places 2-4 μ” Au over 120-200 μ” Ni.
Immersion Silver

Immersion Silver

Immersion Tin (IAg) is applied directly to the base metal of a PCB via chemical displacement. It’s a more affordable option than ENIG, and it is also RoHS-compliant. A typical thickness for Immersion Silver is 4-12u”.