Re: [Homebrew_PCBs] Re: Tin eletroplating
2003-11-15 by Stefan Trethan
well then, i just checked my chemical supplier has tin sulfate in his stock list. also sulphuric acid would be no problem at all. BUT i have not the slightest
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2003-11-15 by Stefan Trethan
well then, i just checked my chemical supplier has tin sulfate in his stock list. also sulphuric acid would be no problem at all. BUT i have not the slightest
2003-11-15 by Xtian Xultz
On Sat, 15 Nov 2003 16:36:29 +1100 ... Your page is awesome, but the links are broken, it points to C: etc.. , it would be nice if you correct the links
2003-11-15 by roel_cnc
... Hi Adam i use normal car battery acid (37%) As u said on top 100gr/l i think it is then 78mL/L m i right !
2003-11-15 by Victor Faria
OK Sorry to all I m getting in on this late but ,better late then never Then again!!! Any way if what we are trying to do is just plate the trace. then look
2003-11-15 by Ben H. Lanmon
This something that I found on Ferric Chloride. www.artmondo.net/printworks/articles/ferric.htm
2003-11-15 by Alan King
... Those results look very promising. Do exactly what you ve done and plate a raw copper board. Then do the toner iron on. Then use the board as the + to
2003-11-15 by Alan King
... Look up cow manure, they use it by the 5 gallon bucket to leach out metals for treating waste. But you re also not pouring unused Ferric Chloride down the
2003-11-15 by Dave Mucha
... even ... serious ... I seem to remember the idea of copper tape as a means to let students make a fast circuit in the class in a matter of minutes. This
2003-11-15 by Adam Seychell
Put in lot more acid, make it like 100 g/L. Where are you getting the acid ? Solder will be ok for anode, but expect lots of black looking sludge to form as
2003-11-15 by JanRwl@AOL.COM
In a message dated 11/14/2003 11:23:07 AM Central Standard Time, alienrelics@yahoo.com writes: Before anyone starts typing, read that again, if you find
2003-11-15 by johnman_001
... Perhaps not necessarily at home yet, but I was reading in Electronic Design (a trade magazine I get at work) about Xerox working on a semiconductor
2003-11-15 by johnman_001
... The first time I actually saw Ferric Chloride used in an industrial application was in a wastewater treatment system! I asked what it was used for and
2003-11-15 by Alan King
... With just 5 volts mine only drew 300 to 400 ma or so. Then I bridged the + and - five to get 10 and got 800 to 1000 ma. I also only used 1 nail on each
2003-11-15 by roel_cnc
Hi, some testing done with sulfuric acid and normal solder wire as anode I uploaded a few photo s shown the huge tank and the result :))
2003-11-15 by Anthony Toft
How important is the 1 amp? Do I have to limit it to 1 amp or will it draw up to one amp? My power supply will deliver about 20amps at 5 volt (recycled
2003-11-14 by mpdickens
I m thinking that an el-cheapo ps to use to electroplate the copper out of the ferric chloride would be the world famous (Much overused...), out of date
2003-11-14 by Alan King
... A few bubbles on the nails here and there, not much. Did warm the liquid a bit since it was 10 W total, but not enough to think twice about. ... Likewise
2003-11-14 by Adam Seychell
There are a few tin plating baths around, but the one often used for PCBs is the tin(II) sulfate sulfuric acid bath. Its a tin only plating , i.e. it cannot
2003-11-14 by mpdickens
Well, the copper is electroplating out. Here is my setup: 1 AMP (-) (+) ... / / (-) (+) ... I m thinking that if I adjust the ph by
2003-11-14 by wheedal99
... Thats what I was thinking too. I played with doing this a few months ago and noticed I had the PSU cranked up too high and started bubbling up some gas
2003-11-14 by Stefan Trethan
http://www.p-m-services.co.uk/pcb_etch.htm please read at the very bottom. This is not the page i remember, as it doesn t say much about fecl regenerating. But
2003-11-14 by mpdickens
... How long have you been using the same fecl and regenerating it? Best Marvin Dickens ===== Registered Linux User No. 80253 If you use linux, get counted at:
2003-11-14 by Stefan Trethan
... That sounds really easy. Do you have any gas bubbles at the nails? any smell of clor? If i remember correct in the regenerating text i have read there was
2003-11-14 by Alan King
... I have one running right now. Take a small power supply, (mine is a + and - 5V test supply I made for ICs, using around an amp at the 10 volts for this
2003-11-14 by Steve
... In ... See what I started? Hey, back to the original subject, sort of: renewing Ferric Chloride so you don t -have- to toss it. Why not just stick some
2003-11-14 by Stefan Trethan
On Fri, 14 Nov 2003 11:21:37 -0800, Peter Welty ... Maybe you get immune if you slowly increase the dose ;-) like with snake poison....
2003-11-14 by Peter Welty
I ingest DHMO by the cup all the time, but I try not to inhale it. In fact, my doctor suggests that I ingest more DHMO than I do! Peter Stefan Trethan
2003-11-14 by Stefan Trethan
... *ggg*, funny, these questions were also asked here on a tv show not long ago.. amazing amount wanted to ban it... you can get most people to think what
2003-11-14 by Steve
... When you do, please either upload it in Files or post it on a website and add it to the Links section under Acid Etching. Thanks, Steve
2003-11-14 by Steve
... dosage (XX.XX mg/kg etc.). Let s not forget the dangers of DHMO, Dihydrogen Monoxide. It is commonly used in industrial processes as coolant, solvent, etc.
2003-11-14 by Stuart Winsor
In article , ... -- __ __ __ __ __ ___ _____________________________________________ ... ___________________________/
2003-11-14 by Stefan Trethan
I m quite sure there is information about it on the www. I have once read about this. I may have searched for pcb etchant regenerating or maybe ferric
2003-11-14 by mpdickens
... I was going to take some time and figure it out and try it this weekend. Best regards Marvin Dickens ===== Registered Linux User No. 80253 If you use
2003-11-14 by Stefan Trethan
I basically agree with that BUT i have surely some hundred kilograms of iron in various forms in/around my house. These will kill me, but only if i swallow
2003-11-14 by Stefan Trethan
and there are etchants which are really cheap, relatively safe, and even some which can be reused forever. i don t consider glue the tracks with copper tape
2003-11-14 by Stefan Trethan
Now, tell me who is right? Marvin Dickens says electroplating tin chemicals are dangerous, Adam says no. I didn t think I was kidding. You know my knoweledge
2003-11-14 by Stuart Winsor
In article , ... Thanks for that, do you have a formula for silver plating? I have some RF boards which are
2003-11-14 by JanRwl@AOL.COM
In a message dated 11/13/2003 10:21:33 PM Central Standard Time, md30022@yahoo.com writes: This is a compelling arguement to electroplate the copper out of
2003-11-14 by JanRwl@AOL.COM
In a message dated 11/13/2003 8:25:30 PM Central Standard Time, suri_list@yahoo.com writes: Is there a way to make PCBs at home without any etchant chemicals ?
2003-11-14 by JanRwl@AOL.COM
In a message dated 11/13/2003 1:48:21 PM Central Standard Time, alan@nc.rr.com writes: Still, recharge the stuff instead of throwing it away. It should be
2003-11-14 by mpdickens
This is a compelling arguement to electroplate the copper out of ferric chloride and then reuse it... Best regards Marvin Dickens ... ===== Registered Linux
2003-11-14 by Kevin Lavigne
Hi All, All chemicals and medicines are toxic to humans depending on dosage (XX.XX mg/kg etc.). In the not to distant past I was a street Paramedic and in
2003-11-14 by Dave Mucha
... a mechanical router is one way. copper tape to laydown the traces is another. buying punched and etched boards is another. Those are the ones that come to
2003-11-14 by suri_list
Is there a way to make PCBs at home without any etchant chemicals ? Thanks
2003-11-14 by Adam Seychell
An acid sulfate electroplating tin bath is very safe, as it only contains sulfuric acid and tin(II) sulfate, plus some proprietary non-toxic organic plating
2003-11-13 by mpdickens
Wouldn t this ... Your kidding, right? The Metal Finishing Guidebook lists three formulations for immersion deposits of tin onto copper, only one formula is
2003-11-13 by Stefan Trethan
If you need only small sizes of boards you may hot tin them. I don t like those you certainly die within a year if you only look at this stuff safety
2003-11-13 by Adam Seychell
In that case the MSDS (Material Safety Data Sheet) for the product should have all the hazardous information you require. I think MSDS s are required by law in
2003-11-13 by mpdickens
... It works. You can expect a layer of tin around 0.0003 to 0.0004 of an inch in thickness depending on the temperature of the tinning bath, how long the pcb
2003-11-13 by Alan King
... Just like it kills your microbes, it kills the ones at the local water treatment plant and makes it harder for them to meet their waste water standards.