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انواع مختلفی از اسید ها برای ساخت PCB موجود است که رایج ترین آنها فریک کلرید است. یک ظرف پلاستیکی تهیه کنید (هیچ گاه از ظرف فلزی استفاده نکنید!!!). اسید را در ظرف پلاستیکی خود بریزید. فیبر مدار چاپی را حدود 30 تا 45 دققیقه در ظرف بگذارید و سپس آن را خارج کنید. تا حدی برد را در ظرف قرار دهید که مس های اضافی به طور کامل حذف شود. قرار دادن بیش از حد ب...
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