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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Hi John, thanks a lot for your helpful information. I have another question. I would like to try other chemical etching. Like Sodium Persulphate etching and Ammonium Persulphate etching. Can you draft me the procedure of the process? Please advise me the actual volume needed. Thanks a lot.
I am new in this PCB etching process. I am trying out few methods but I still prefer using environmentally free method. Does anyone can advise me the best environmental friendly method for PCB etching?
1) Chemical etc
An environment friendly etchant.
o Possible substitute is 1 : 2...
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