Someone I used to know heated his fecl3 in the microwave before etching . when I worked at an electronics plane we used a single burner electric stove and ammonium persulfate . for me either one worked well . as for hcl , has anyone had corrosion issues on finished boards because there may have been some residue ?
From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
Sent: Tuesday, November 08, 2016 12:42 AM
To: Homebrew_PCBs@yahoogroups.com
Subject: [Homebrew_PCBs] Re: Heater for Etchant Bath
Hi there,
Newbie here.
I use FeCl etchant, poured into a (genuine, high-heat) Pyrex baking dish which I heat on an single burner electric stove. Use a HF (or ExeTech via Mouser) IR pyrometer to measure the acid temperature. It'll fume when its hot, so do this outside.
Cheers
ic_sizzle