![Ozen Long - Back (1)-2.png]](https://support.ozeninc.com/hs-fs/hubfs/Ozen%20Long%20-%20Back%20(1)-2.png?height=50&name=Ozen%20Long%20-%20Back%20(1)-2.png)
Layered impedance of a plating
How to use the layered impedance to represent plating in PCB
Top layer: Gold 1um/ next layer: Nickle 1um/bottom layer: copper infinity.
If internal: Gold 1um/Nickle 1um/ copper 25um (copper is the bottom metal and not the top metal)