[Stephen] often finds the need to make his own PCBs at home, and when he got the urge to do some etching recently ... A fair warning however, standard ferric chloride disposal procedures need ...

If you’ve done any PCB etching at home, chances are pretty good that you’ve at least tried the old standby, ferric chloride. It’s cheap and easy, and has a lot of advantages over other wet ...

The most common etching systems are based on alkaline ammonia and cupric chloride. Other systems include peroxide-sulfuric acid, persulfates, and ferric chloride. Process steps include resist ...