heavy copper pcb

 

Today I will share the impact assessment of batch process of 40Z and above (inclusive) copper thickness of heavy copper PCB with you. Hope it will be helpful to you.

Note: indicates no effect; indicates a certain influence; indicates a direct effect.

 

Items Category Influence Influence degree
1 Inner layer At present, 4OZ and above (inclusive) copper thickness material codes of the inner layer circuit is made from outer dry film.
2 Lamination 4OZ and above material codes need to use special PP for filter processing