Pcb Etching Tank With Agitator And Heater

2012-5-3i had access to this kind of tank at work 20 y agowhen the pump stopped working one day the type used in fishtanks i simply let the board float on the ferrichloride solution surface, face down so to allow the whatever copper is turned into to fall down, this significantly shortened the etching time compared with the board laying face-on.

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