Normal 4 layers board stack-up design
Many clients stack-up design is not suitable for manufacturing and save cost.We share the normal stack-up design here ,Hope it is useful for you !
4-layer PCB stack-up:


4Layers pcb Stack-up design
Normal 4 layers board stack-up design
Many clients stack-up design is not suitable for manufacturing and save cost.We share the normal stack-up design here ,Hope it is useful for you !
4-layer PCB stack-up: