The nomenclature sets the stage for understanding the underlying reactions that make ferric chloride good at etching copper. In solution, ferric chloride rapidly dissociates into iron (III ...

[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 ...

The copper which is not protected by an etch resist is removed by the etching process. The following are the commonly used etching methods: Ferric chloride etching solutions are widely used in the ...

Other systems include peroxide-sulfuric acid, persulfates, and ferric chloride. Process steps include ... as well as continuous processing, constant-etch rates, and control at high dissolved copper ...