You have probably already seen this, but for those who didn't here is another method of making PCBs that gives the same results as photo-etching technique!
All that you will need is an old InkJet printer that needs to be modified to support printing directly on the copper-clad boards instead of paper. After the printer prints your design on the board, the key step is to cure the ink on 230 degrees Celsius in order to turn it into a strong acid resist. That is the key for successful PCB with this method.
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