PCB (etching)

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  • The etching tank.

  • Board treated with photoresistant laquer, UV light and developed later on.

  • Right after putting the board into etching tank (fresh acid).

  • Few minutes later... (the acid went a bit blue).

  • Board right after taking it outta the bath.

  • Remaining laquer cleared up with acetone.

  • The complete set of tools i used to etch this one.

  • Top layer of board... (outta focus but CBA to fix it).

  • And the bottom layer.

  • Yeah i have soldered encoder already and screwed the spacers.


  • PCBs beforre tinning (copper layer exposed).

  • PCBs chemicaly tinned.

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