4 Layers 1.6mm 70µm Stackup

Stackup

Below you can find our typical stackup for our 4 Layer 1.6mm 70µm products.

Please note that we have marked this stackup as variable. This means, that we use different stock depending on current availability for the core and prepreg. This allows us to offer these products cheaper and faster to you, but can can lead to variations in thickness and impedance. If you need a certain material or special stackup, please contact our Sales Team.

Layer Material/Thickness
Core Variable FR4
Outer Copper Thickness 70µm
Inner Copper Thickness 35µm
Prepreg variable
Total Thickness approx. 1.6 mm