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PCB Design Rules

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Initially PCBs were designed manually by creating a photomask on a clear mylar sheet, usually at two or four times the true size. Starting from the schematic diagram the component pin pads were laid out on the mylar and then traces were routed to connect the pads. If you have many questions of PCB Design, please come here!

Community > Groups > PCB Design Rules > The way of multilayer PCB connecting
The way of multilayer PCB connecting
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Enrico Gensale

I do not know how 2 sides are connected, I see on some PCBs there are some circular end points, so it must be going to other side. But how is it connected ?
Statement: This post is only the personal view of the author and does not represent the opinions of


When PCBs are produced in a factory,it used a chemical processto plate the holes. but when making PCBs at home you have to put a wire or component lead through and solder both sides.

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