The foundational structure of most electronic devices. It consists of alternating layers of non-conductive substrate and etched copper foil, providing both mechanical support and electrical pathways for components. The bare board is fabricated first, then populated with parts during assembly.
Heard on the job
We need the printed circuit board files released to the fab house by Friday.
Also heard as
- PCB
- board
Related terms
PCB
Printed Circuit Board, the physical fiberglass and copper substrate that holds and connects components.
PWB
Printed wiring board, an unpopulated circuit board consisting only of substrate and etched copper routing.
PCA
Printed Circuit Assembly, a board that has all its components soldered on.
Bare board
A manufactured printed circuit board before any components are soldered onto it.