Etching a Board Using Ferric Chloride
Step 6: Watching for completion
The copper will disappear from the outside in, so keep your eye on the board(s). Here we can see a board that is quite far along. You can see the remaining copper, which is darkish orange and concentrated at the center of the board.
Previous: Agitating
Jump to step:
Gathering Supplies
Warming the etchant
Starting the etch
Warming and waiting
Agitating
Watching for completion
Rinsing the board
Disposing of the etchant
The finished board
Next: Rinsing the board
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