Conductor / copper thickness

The following table shows the maximum allowed conductor trace width with the minimum conductor trace spacing, depending on the respective copper thickness.

Inner layers

copper thickness min. conductor trace width / -spacing min. restring
12µm 75µm 100µm
18µm 100µm 100µm
35µm 125µm 100µm
70µm 200µm 200µm
105µm 250µm 250µm
140µm 300µm 300µm

Outer layers

Final copper min. conductor trace width / -spacing min. restring
35µm 100µm 100µm
70µm 200µm 200µm
105µm 250µm 250µm
140µm 300µm 300µm
210µm 500µm 500µm
400µm** 900µm 900µm

* After electroplating (approx.) / ** only on request

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