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 / space | min. annular ring | |||
---|---|---|---|---|---|
Copper thickness | 12µm | min. conductor trace width / space | 75µm/100µm** | min. annular ring | 90µm |
Copper thickness | 18µm | min. conductor trace width / space | 90µm | min. annular ring | 90µm |
Copper thickness | 35µm | min. conductor trace width / space | 100µm | min. annular ring | 100µm |
Copper thickness | 70µm | min. conductor trace width / space | 150µm | min. annular ring | 150µm |
Copper thickness | 105µm | min. conductor trace width / space | 250µm | min. annular ring | 250µm |
Copper thickness | 140µm | min. conductor trace width / space | 300µm | min. annular ring | 300µm |
Copper thickness | 210µm | min. conductor trace width / space | 500µm | min. annular ring | 500µm |
Outer layers
Final copper* | min. conductor trace width / space | min. annular ring | |||
---|---|---|---|---|---|
Final copper* | 30µm | min. conductor trace width / space | 75µm/100µm** 90µm | min. annular ring | 90µm 90µm |
Final copper* | 35µm | min. conductor trace width / space | 100µm | min. annular ring | 100µm |
Final copper* | 70µm | min. conductor trace width / space | 150µm | min. annular ring | 150µm |
Final copper* | 105µm | min. conductor trace width / space | 250µm | min. annular ring | 250µm |
Final copper* | 140µm | min. conductor trace width / space | 300µm | min. annular ring | 300µm |
Final copper* | 210µm | min. conductor trace width / space | 500µm | min. annular ring | 500µm |
Final copper* | 400µm | min. conductor trace width / space | 900µm** | min. annular ring | 900µm |
* After electroplating / ** prior data check necessary