http://www.instructables.com/id/Etching-Method-and-Sticker-Method-of-PCB-fabricati/
"A printed circuit board, or PCB, is used to mechanically support and electrically connect electronic components using conductive pathways, tracks or signal traces etched from copper sheets laminated onto a non-conductive substrate." is the definition as stated in Wikipedia and it indeed is true. A…
By: saipraveen durairaman
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