Printed circuit boards

English: A printed circuit board, or PCB, is used to mechanically support and electrically connect electronic components using electrically conductive pathways, tracks or signal traces using Industrial etching on copper sheets laminated onto a non-conductive substrate. A PCB populated with electronic components is a printed circuit board assembly.

Svenska: Mönsterkort (utan komponenter) och kretskort (med komponenter).

Selected images

• 
  Printed circuit board track in the vicinity of the soldered pins of a connector.
• 
  Contacts for a keyboard.
• 
  A Raspberry Pi
• 
  A surface mount ic on a printed circuit board.

See also

• Electronics
• Consumer electronics
• Electronic devices
• Integrated circuit