These boards, which help with links between different electronic parts, come in a range of forms such as standard PCBs, multilayer PCBs, and flexible PCBs. PCB manufacturing companies use sophisticated technologies and materials to develop high-density interconnect (HDI) boards, multilayer boards, and flexible circuits that satisfy the electrical needs of https://scientific-programs.science/wiki/Understanding_the_Regulations_Surrounding_Electronic_Waste_and_PCBs