does anyone know why mostly power board are designed in single-sided board, material such as FR-1 & CEM-1 ?
why multilayer signal board in material such as FR-4?
reason due to material strength??
pls kindly advise.
thanks a lot.
hi Chen,
do u mean now mostly use FR4 on all signal n power board?
as i m working in one pcb company, their power board still using FR1 and CEM1 material..