A multi-layer circuit board is made up of a core, prepreg and copper foil. The core is fiberglass material that has copper clad to it and will vary in thickness depending on the number of layers and the final PCB thickness required.
A multi-layer circuit board is made up of a core, prepreg and copper foil. The core is fiberglass material that has copper clad to it and will vary in thickness depending on the number of layers and the final PCB thickness required.