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 ...

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Ferric Chloride is another common etching solution, it is not a safer solution to use, both are equally dangerous. Put the board copper side up in the plastic container filled with etching solution.

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 ...