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 Printed Circuit Board @ Wikipedia
In electronics, printed circuit boards, or PCBs, are used to mechanically support and electrically connect electronic components using conductive pathways, or traces, etched from copper sheets laminated onto a non-conductive substrate.
Alternative names are printed wiring board (PWB), etched wiring board, and switchboard.
After populating the board with electronic components, a printed circuit assembly (PCA) is formed.
PCBs are rugged,...
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http://en.wikipedia.org/wiki/Printed_circuit_board
11/28/2006
Tags: pcb
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