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Homebrew_PCBs@yahoogr...
Sep 1, 2005 5:47 pm
10202
I picked up a fish tank pump and a container that should be good for my first etching tank. When I picked up the fish tank pump, I also noticed they had these...
On Thu, 01 Sep 2005 23:27:29 +0200, lcdpublishing ... I use a bubbler hose. It is kind of a hose made of foam rubber with holes punched in one side. It makes...
I have been off the group for a while and I'm sure this was covered. In the direction for making etchant from Hydrogen Peroxide and Muratic Acid, it says that...
On Fri, 02 Sep 2005 02:07:31 +0200, johnwhitneyfiat ... I personally never tried it, but i would say many hours, perhaps days. My tank volume isn't that large,...
... Many factors involved, it could be 15 minutes or 2 days. Obviously the more air that contacts the solution the quicker all the Cu(1+) converts to Cu(2+)....
I tried twice the tonner paper method, using magazine paper, and iron. the image transfers to copper really good in some regions (awesome), but not in others,...
On Fri, 02 Sep 2005 11:51:12 +0200, patroclus04 <patroclus04@...> ... use a laminatoror fuser, it produces more consistent results. Also you should try...
... board yet. ... results?? ... happend?? ... It's harder to get uniform pressure/temperature with an iron but not impossible. Just take better care....
I don't know if this is national or just local to seattle but the GBC H300 laminator is on sale for 79.94 (lists for 179.99). I have the H200 and it was easy...
On Mon, 05 Sep 2005 11:51:15 +0200, patroclus04 <patroclus04@...> ... I'll too write up quickly how i clean boards, again: 1) sand lightly with 600 to...
arrggghhh.... sorry about that folks. Staples. I originally had it in the subject but thought it didn't look right so i took it out but didn't reread the...
for cleaning, the best way found is:
1: to merge into etchant, 10 sec.
2: sand paper to wipe off discolored.
3: to keep merging under water before using it....
A Photocopier fuser unit rebuilt works well for me thanks to ST I use Matt inkjet paper in a laser printer But I have found that the board has to be really...
... I haven't had any luck looking through the files or Googling up any specifics on the process though. If someone could provide details, I'd certainly...
I've been making PCB's for quite some time for projects at work. I use Protel. Whenever I had to make a PCB for myself, I would always go with $33 special...
I'm attempting to bootstrap my first batch of CuCl as I type, so this page is fresh off my bookmarks: http://pacificsun.ca/~robert/pcb/cucl.htm Pretty good ...
You might want to test the chunks for compatability with your etchant too, the HCl I'm using to brew CuCl just disintigrated mine! Stan ... for ... also ... ...
-A Photocopier fuser unit rebuilt works well for me thanks to ST I use Matt inkjet paper in a laser printer But I have found that the board has to be really...
Those look like they are just regular vinyl sign cutters. Check out the Links on the signmaker list: http://groups.yahoo.com/group/signmaker Steve Greenfield...
I tried to use CuCl over a period of 4 months. I was never able to regenerate it using a bubbler - even left it running for a week once. I added more acid but...
Are you sure you added enough acid *before* aerating ? How do you know what the acid concentration was after aerating ? I find it hard to believe it wouldn't...
I may not have all the specifics right - it was about 6 months ago but I did add 50 mL of 30% HCl and then aerated. It stayed a dull green, even after a week...
Dull green is ok, only when it becomes brown is the problem. If you dilute a bit of it and it turns bright green then its pretty much regenerated. But, this...
I never got anything close to 9 minute etches with cucl. Probably too weak. Dull green was more like olive drab. By the way, I just added a new heater to my...
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