PRINTING CIRCUIT BOARDS

There are different ways to print ciruit boards, but we will discuss the best way for this project. Radio Shack sells a board making kit consisting of copper clad boards, Ferric Cloride, a marker, and rubbing alcohol. After the copper traces are drawn on paper and checked transfer the drawing to the copper clad board with the marker. Then place face down in the Ferric Chloride. In about 20 minutes the solution will dissolve the copper that was not covered in marker, giving you your ciruit board. Use the alcohol to remove the marker, and then drill the holes. The holes have to be pretty small. Jameco sells this size bit in their catalogue.

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