PCB etching notes

  • check that you’ll have enough time to make the board – two hours at least;
  • see that holes are more than the diameter of the drillpiece – say, a 1,5 mm hole for a 1,0 drill;
  • it is better to drill the holes before etching, otherwise the copper rings around the holes might flake off while drilling; on the other side, it’s harder to position he drill in this case, and you also have to drill through copper;
  • when rubbing off printer paint, use a sponge with an abrasive surface;
  • use glasses!

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