Rolynd,
Have you considered a spray etcher? Instead of being 1hr with ferric it would be more like 10mins for that depth shown in the photo.
I know it's not an answer to the electro etch question. If you are going to get into a lot of etching then the time saved is worth the effort building.
--- In Homebrew_PCBs@yahoogroups.com, <homebrew_pcbs@yahoogroups.com> wrote:
I recently finished some etched Pendants.
You can see sone photos here:
http://brassgoggles.co.uk/forum/index.php/topic,41175.0.html
I used the toner Transfer method and ferric chloride with good results . The etch is fairly deep compared to the usual etch depth needed for PCB but detail is still very good.
I alternatively tried the electrolytic etch method with not so much sucess. I use canon Toner and it seems it does not hold up to a copper sulfate electrolyte. Its fine in chlorides though but the saltwater etch presented its own problems, a white precipitate forms on the etched piece eating the toner. Another member suggested HP toner.
I want to try making the electrolytic etch to work, before I get myself a new/used HP printer I wanted to ask here if someone can confirm the usability of HP toner or maybe has experience with the electrolytic etch method and copper sulfate?
You can see sone photos here:
http://brassgoggles.co.uk/forum/index.php/topic,41175.0.html
I used the toner Transfer method and ferric chloride with good results . The etch is fairly deep compared to the usual etch depth needed for PCB but detail is still very good.
I alternatively tried the electrolytic etch method with not so much sucess. I use canon Toner and it seems it does not hold up to a copper sulfate electrolyte. Its fine in chlorides though but the saltwater etch presented its own problems, a white precipitate forms on the etched piece eating the toner. Another member suggested HP toner.
I want to try making the electrolytic etch to work, before I get myself a new/used HP printer I wanted to ask here if someone can confirm the usability of HP toner or maybe has experience with the electrolytic etch method and copper sulfate?