Printed circuit board

Part of a 1983 Sinclair ZX Spectrum computer board; a populated PCB, showing the conductive traces, vias (the through-hole paths to the other surface), and some mounted electronic components

A board designed in 1967; the sweeping curves in the traces are evidence of freehand design using adhesive tape

The two processing methods used to produce a double-sided PWB with plated through holes

PCB copper electroplating line in the process of pattern plating copperPCBs in process of having copper pattern plated (note the blue dry film resist)

A printed circuit board (PCB) mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate. Components — capacitors, resistors or active devices — are generally soldered on the PCB. Advanced PCBs may contain components embedded in the substrate.

单词	PCB Assembly
释义	PCB Assembly 英语百科 Printed circuit board A printed circuit board (PCB) mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate. Components — capacitors, resistors or active devices — are generally soldered on the PCB. Advanced PCBs may contain components embedded in the substrate.
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PCB Assembly

Printed circuit board