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Circuit Board Etching Using Ammonium Persulphate

Published 15.04.2011 Presenter Philipp Bolgov

Circuit Board Etching Using Ammonium Persulphate
Anyone who deals with electronics either as a hobby or professionally, when asked what should be used to etch tracks on a circuit board, will most likely immediately tell you it is iron acid.
The more exotic solutions such as mixtures of salt and blue vitriol or electrolytic etching are not as effective as iron acid and ...