engr_joni_ee
Advanced Member level 3
Hi,
I need to change the layout design from 8 to 12 layers. I already have 1.6 mm thickness in 8 layer design. If I increase the layers to 12 then I also have to increase the total thickness of the board which will be around 2.2 mm for 12 layers. What are the pros and cons of increasing thickness of the PCB ?
Another question, I have seen some designs on which 35 um copper is used on outer layer and 18 um copper is used on inner layers but on planes they still have 35 um copper. Is this standard or there is another arrangement that could have more advantages ?
I need to change the layout design from 8 to 12 layers. I already have 1.6 mm thickness in 8 layer design. If I increase the layers to 12 then I also have to increase the total thickness of the board which will be around 2.2 mm for 12 layers. What are the pros and cons of increasing thickness of the PCB ?
Another question, I have seen some designs on which 35 um copper is used on outer layer and 18 um copper is used on inner layers but on planes they still have 35 um copper. Is this standard or there is another arrangement that could have more advantages ?