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Homebrew_PCBs@yahoogr...
Mar 1, 2006 5:38 pm
12582
Yeeha! Etched my first board today and it looks great so far! I haven't drilled it yet, but I'm very happy with it. Details: Samsung scx-4100 printer glossy...
That's great news, Chester! I'm glad you achieved success on your first try. I am planning to do my first board ASAP. I'm also planning to use muriatic acid...
Im getting ready to order some double sided FR-4 from abcfab and have a question. Right now I do not plan on making very many double sided boards. Its more...
Ive heard a few different opinions about the finish of the copper surface before etching. One theory suggest that its better to have the surface slighly rough ...
... they ... days. I ... of course) ... Beauty supply stores sell quarts of liquid H2O2 in 20, 30, and 40 'volume' strengths. These correspond to 6%, 9%, and...
Did you go and ask for H2O2 in some store where the sell paints or chemicals? I've got mine at paint store. I use 30% HCl and 30% H2O2, then i add some water,...
Dear All, I am using Amonium Persulfaat or Natrium Persulfaat as etchant. However, it is degrading a bit. Does any one know how to revitalize it ? I know that...
Hi Guys, I etched a board the other day using some new PCB material I got. I did the usual cleaning and polishing process that has been working good for me....
Hi Chris, ... I've been using a green Scotch Brite type of scrubber for decades and that has worked fine for me. I've used ruby tape (red adhesive tape), ...
Correct me if I'm wrong folks, but using a double sided board for a single sided circuit would mean at the very least etching around all the drill holes to...
On Thu, 02 Mar 2006 16:24:08 +0100, lcdpublishing ... You are seeing the glass fabric of the PCB. This is normal, and varies between PCB brands. What do you...
Alan, Thanks for the encouragement! Drilling went fine...I got the CEM boards so I wouldn't have to invest in a new drill press and carbide bits (maybe next...
... It's easier to just etch the whole board as one would a single sided board. All copper will be removed from the unwanted side. Business as usual for TT....
... It's been mentioned before, but I'll say it again: there is no way to consitantly get perfect transfers with an iron. I would blame the un-evenness of the...
... have ... etch. ... etching. ... single ... As someone else suggested, you could just let the etchant eat the copper off the other side, thus preventing...
... I ... before ... places ... I ... I mentioned this in another post I just replied to but I'll add it here to yours: I suggest getting 1000 grit sandpaper...
Hi Stefan, Answers to your questions... I am still using the iron method - that fuser I got from my friend was a dead one. I suspect that the copper is an...
In a message dated 3/2/2006 8:37:50 A.M. Central Standard Time, sbdwag@... writes: how I could cover the top side without putting a resist layer on it...
Chris, Funny, I've suspected that a while back myself. Mine was actually more noticeable with doing "back-side" label transfers on some white single-sided...
... early ... to ... a ... I'm ... to ... I built my own etching tank. Three times, in fact. The only things I did were A) make a huge mess everywhere and 2)...
... Oh, forgot to add the last few bits to the answer: How to run through the laminator. I simply put the transfer sheet face down on top of the board or the...
Update on the Hammermill Color Laser Gloss paper. Total failure. Difficult to transfer with the laminator. I think the paper thickness also has something to do...
That is a really neat idea and it mimics what others are doing with either Fusers or laminators. It creates that small pressure point. I also noticed that his...
... Seems to me awfully difficult. ("A crutch, a rubber crutch" if i may quote bob pease) I mean it's ok to want to avoid a laminator or fuser, but come on! ...
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