RE: [Homebrew_PCBs] Etching with vinegar, peroxide and salt
2016-06-19 by Brad
What I’ve got seems to work fairly well – I think the only area I’m suffering is not understanding the process, and the relationship between the vinegar
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Re: [Homebrew_PCBs] Etching with vinegar, peroxide and salt
2016-06-19 by <n0tt1@...>
I d like to do that as well with the Muratic...question is what does one DO with the spent etch? Might not be so good in a septic tank IF that is permitted to
RE: [Homebrew_PCBs] Etching with vinegar, peroxide and salt
2016-06-19 by keith printy
Have you thought about using acetic acid ? isn’t that what vinegar actually is ? I have glacial acetic here ,it is used for darkroom work. Stop bath is
Re: [Homebrew_PCBs] Etching with vinegar, peroxide and salt
2016-06-19 by Stefan Trethan
It s all a matter of concentration. You don t need all that high a concentration to etch, and you got hydrochloric acid in your stomach after all... ST On Sun,
RE: [Homebrew_PCBs] Etching with vinegar, peroxide and salt
2016-06-19 by Brad
Yeah. I just have a hesitancy about muriatic, remembering some accidental burns years ago. :) I accidentaly splashed a bit of this vinegar stuff on my hand
RE: [Homebrew_PCBs] Etching with vinegar, peroxide and salt
2016-06-19 by duwaynes@...
One explanation I was given is that the vinegar reacts with the chloride in salt and produces a very weak hydrochloric acid. I tried it but it took forever to
RE: [Homebrew_PCBs] Etching with vinegar, peroxide and salt
2016-06-19 by Brad
It definitely works. I’m just not sure how. The various sites say the salt just ‘speeds up’ the process. But if you just leave the boards in peroxide
Re: [Homebrew_PCBs] Etching with vinegar, peroxide and salt
2016-06-19 by James
Quinn Dunki etches like that, she gets pretty good results, slow, but I guess you know what they say about winning the race.
Etching with vinegar, peroxide and salt
2016-06-19 by Brad
Stumbled across this method while reading up on etching. I m still waiting on my ferric chloride, which you cannot buy around here. Anyway, the procedure is
Any body else see this new development
2016-06-18 by davesage12@...
Did anyone else see this new way of making pcb s in Elektor magazine Speedy PCB production using an inkjet printer!
Press-N-Peel
2016-06-17 by Roland Harriston
Press-N-Peel sells for about 12 bucks at All Electronics in California Phone orders: 1.800.826.5432 Fast shipment. I have no association with All Electronics
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-15 by rolohar@...
DUH Press-N-Peel (by Technics) is available from U.S. sellers like All Electronics in California. Several others have it. Consistent quality material made for
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-15 by Malcolm Parker-Lisberg
Brad If you have a female companion, nail varnish and a 20 hair brush can be used to touch up missing toner on the PCB. I use a cheap spray can of car paint,
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-15 by Brad
I did order some of that stuff.. and yeah, it takes a while – stuff from China usually is 8 weeks. Ugh! Be interesting to see how it differs from the
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-15 by Brad
No.. they print dark. I’m not sure if it’s some kind of weird illusion with the magazine paper. I’m going to try an ironing with one later and see what
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-15 by wb8nbs@...
Do the same traces print lighter on regular paper? Sometimes the toner inside the cartridge is used up unevenly after some usage. Try removing the cartridge
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-15 by Malcolm Parker-Lisberg
You could try a paper meant for the job, just takes a while to arrive,but is not expensive see:
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-15 by hrconsult
Brad, The thing that comes to my mind is the difference in the paper. Regular printer paper usually has a controlled moisture content. Of course, the longer
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-15 by Brad
Here’s a weird one. You guys saw my successful transfer image – with two of the four boards required to build a TV Typewriter shown. Those print perfectly
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-14 by <n0tt1@...>
Maybe the toner isn t printing heavy enough on the paper?....try increasing the toner density. Charlie ... of pinholes. The toner is too porous. I ve tried
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-13 by Mark Lerman
You might want to try suspending the pcb in acetone vapor before etching. I don t use toner transfer, but I do use toner as a resist. If you suspend it over
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-13 by Harvey White
... I use a GBC laminator and green foil. The unmodified GBC laminator does not have a temperature adjustment, and I use it on thinner (0.020 thick) boards.
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-13 by Forbes, Doug
My problem isn t getting the toner to transfer well, it s etching. Lots of pinholes. The toner is too porous. I ve tried the lighter fluid method of fixing the
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-13 by Brad
Well, I tried the cold transfer method and… yeah.. no dice at all. Probably my mixture wasn’t working right. Anyway, for sport, I went back to the process
Re: [Homebrew_PCBs] Re: Amount of etchant needed
2016-06-10 by Donald H Locker
Muriatic acid is hydrochloric acid at a particular concentration (20-30%. IIRC); purity is not particularly important for many applications, and may not be
Re: [Homebrew_PCBs] Re: Amount of etchant needed
2016-06-10 by lists
In article , Dave Wade dave.g4ugm@gmail.com [Homebrew_PCBs] ... That is it s proper chemical name, recognised by
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-09 by rolohar@...
John Snyder: I just follow the process as shown in the YouTube video. I played around with xylene, but my wife had problems with the fumes. There was
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-09 by rolohar@...
I just follow the method shown on the YouTube video. I like the toner transfer method because it seems that I can be very slopply in using it and still get
Re: [Homebrew_PCBs] Alcohol
2016-06-09 by rolohar@...
As mentioned previously, the alcohol is used primarily for cleaning the surfaces. So, almost any type will do that as long as it does not contain any other
Re: [Homebrew_PCBs] Best method for making good quick double sided SMT prototype boards
2016-06-09 by Brad Thompson
... Hello-- I m envious of your collection of tools that could produce boards via various methods! For fastest and likely most error-free SMT-intensive PC
Re: [Homebrew_PCBs] Best method for making good quick double sided SMT prototype boards
2016-06-09 by Harvey White
... you can do best/easiest/quickest/most reliable, pick two. (seriously, every method has a tradeoff). ... Cheap inkjet requires a specific ink for the
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-09 by leeleduc@...
I buy 99% isopropyl alcohol in pints for about $1.50 at pharmacies like Walgreens, CVS, etc. You have to ask the pharmacist for it.
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-09 by Donald H Locker
If you re not using someone else s tried and true recipe (exact same toner, diluent, and acetone), start at 2:1 (alcohol:acetone) and see whether the runs or
Re: People still using toner transfer??? was Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-09 by <n0tt1@...>
I ve been lurking too, Chris. I once tried to use Mucilage glue that one guy said he likes to use applied to paper and hung to dry.... well, my experience on
Best method for making good quick double sided SMT prototype boards
2016-06-08 by rchadwick7@...
I m going to need a few double-sided SMT prototype boards in a few months, with a more constant need for prototype boards after that. Maybe I m lucky, but I
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-08 by John Snyder
That s interesting, Did you use that with Acetone? Can you please give us the mixture Ratio and the type of printer / cartridge and if it was original
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-08 by rolohar@...
I have had good results with 70% iso-alcohol from Walmart. The alcohol acts as a cleaner only, So, most types will serve this purpose. The actual transfer
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-08 by John Snyder
New to this group, I also am trying to do a pcb for the first time with toner transfer. But I am from the dim state of California and we have been determined
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-08 by Phil Quinton
I ve just started using the cold transfer method with good results. I currently use (in U.K.): HP Laserjet 4 (with original HP toner) Xerox A4 Colortech+
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-08 by Cecil Bayona
Try a liquor store. ... -- Cecil - k5nwa http://thepartsplace.k5nwa.com/ Try a liquor store. On 6/7/2016 9:17 PM, Brad unclefalter@yahoo.ca [Homebrew_PCBs]
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-08 by duwaynes@...
I use a mixture of denatured alcohol and xylene. Had both from some painting I had been doing and it works well. About 1 part xylene to 5 parts alcohol. I
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-08 by Harvey Altstadter
Brad, The Denatured Alcohol they sell in the hardware or home improvement stores for thinning shellac should do the job. It is a mixture of ethyl and methyl
RE: [Homebrew_PCBs] First attempt at toner transfer [2 Attachments]
2016-06-08 by Brad
I’m not sure if my ‘compatible’ toner is made the same way as the HP stuff. I’m doubtful. I did try on my Minolta Di200 copier… that made no
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-08 by Brad
I would like to try the cold method but have not had any luck, anywhere, finding ethyl alcohol. Only isopropyl. I suspect toner is definitely a problem here.
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-08 by duwaynes@...
Almost all the problems I had with using the toner transfer method with a laminator was because of the toner. With the original toner from two different
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-07 by leeleduc@...
It may be your toner. The MSDS (Material Safety Data Sheet) says your toner is Polyester Resin based. Look up your toner cartridge on this Web site.
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-05 by duwaynes@...
I have tried several different types of paper, and the best I have found is Color Laser Glossy by Hamermill. It works well when I used it with a laminator,
Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-05 by rolohar@...
I wonder if anyone is experimenting or using the cold transfer technique? Roland F. Harriston P.D. ... ... I gave parchment a try. I can print to parchment
RE: [Homebrew_PCBs] First attempt at toner transfer
2016-06-05 by Brad
I gave parchment a try. I can print to parchment easily with my HP 4250 – but I was surprised to see the toner was even less inclined to come off that! I
People still using toner transfer??? was Re: [Homebrew_PCBs] First attempt at toner transfer
2016-06-05 by Chris Tofu
I didn t even think you could buy it. Been lurking for a while. Anyway, I attended a informal discussion of a new fandangled method of, technically I guess,