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Well, I have no pictures...But I know of general purpose PCB which have small copper squares on one side with holes through the center on them to mount components on the side opposite to the Cu holes and solder on the copper .... Called a general purpose Circuit Board....
Another one I know of is a PCB with no holes and a single layer of copper on one side. You need to draw your circuits on copper using a permanent marker and develop it in FeCl3... The drawn part remains while the rst is corroded away by FeCl3...
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