Copper PCB

A Copper PCB, or Copper-Based Printed Circuit Board, is the most common type of printed circuit board used in electronics. The term "Copper PCB" generally refers to a PCB that uses copper as the primary conductive material for its circuitry. Copper is widely used due to its excellent electrical conductivity, ductility, and relatively low cost.

In a Copper PCB, thin layers of copper are laminated onto one or both sides of a non-conductive substrate, usually made of materials like FR-4 (a glass-fiber reinforced epoxy laminate), CEM-1 (a paper and epoxy resin material), or polytetrafluoroethylene (PTFE, commonly known as Teflon). The copper layers are then patterned using photolithography and etching processes to create the desired circuit paths, connecting various electronic components such as resistors, capacitors, and integrated circuits.