----- Original Message ----- From: "Roger Blair" <Roger.Blair@...> To: <Homebrew_PCBs@yahoogroups.com> Sent: Monday, December 21, 2009 8:22 AM Subject: RE: [Homebrew_PCBs] Looking for a photo etching vendor > I'm just setting up for Toner Transfer PCB fabrication. Your question has > sparked my curiosity. I would like to learn what > differences there are between etching copper on PCB's, and etching > phosphor bronze such as you are needing... Can you, or is there > anyone here that would care to comparatively describe the process, such as > times, temperatures, preferred etchants etc, and/or any > other significant detail? The process is similar. Leon
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Re: [Homebrew_PCBs] Looking for a photo etching vendor
2009-12-21 by leon Heller