Re: toner removal methods?
2007-07-27 by dl5012
Hi jd, It wouldn t hurt to try it on a test board. I ve found that removing toner with acetone works well with FR4 and CEM1. I ve only had problems with
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Re: toner removal methods?
2007-07-27 by lemonyx
... I use lacquer thinner to take the tonner off the cooper.
Re: toner removal methods?
2007-07-26 by timbomcnuckle
Thanks folks! I ended up using some old thinnner that I had laying around and it seemed to work out fine. I am wondering though if I can use this stuff for
Re: [Homebrew_PCBs] toner removal methods?
2007-07-26 by Leon
... From: DJ Delorie To: Sent: Thursday, July 26, 2007 7:59 PM Subject: Re: [Homebrew_PCBs] toner removal
Re: [Homebrew_PCBs] toner removal methods?
2007-07-26 by DJ Delorie
I ve been using Goof off (xylene) with great results, but be careful to read and heed the warnings.
Re: [Homebrew_PCBs] toner removal methods?
2007-07-26 by Mark Brueggemann
... Automotive brake cleaner. Cuts it instantly and doesn t evaporate as quickly as acetone. I also use brake cleaner for the initial de-greasing step prior
Re: [Homebrew_PCBs] toner removal methods?
2007-07-26 by Leon
... From: timbomcnuckle To: Sent: Thursday, July 26, 2007 6:40 PM Subject: [Homebrew_PCBs] toner
Re: toner removal methods?
2007-07-26 by wayneosdias
... wrote: I would prefer a solvent that will easily remove ... Acetone works, but if you do etch the board I dont rec using the acetone for the toner removal
toner removal methods?
2007-07-26 by timbomcnuckle
Hi again all-- how are you all removing toner from unetched PCB s? like if you make a mistake in you alignment and need to start over again? I am seeking
Re: [Homebrew_PCBs] Help finding transformer for r.s.u.
2007-07-26 by Mark Brueggemann
... But you re not going to find much cheaper, or easier to build around. You can buy chargers like these brand new for ~$20-$30, and it comes in a nice metal
Re: Help finding transformer for r.s.u.
2007-07-26 by wayneosdias
... asking Try looking at the hammond line @ hammondmfg.com look under classic tube transformers. They have specific filament xfers in the 3-8v @ up to 10amps.
Re: Help finding transformer for r.s.u.
2007-07-26 by wayneosdias
... asking Try looking at the hammond line @ hammondmfg.com look under classic tube transformers. They have specific filament xfers in the 3-8v @ up to 10amps.
Re: [Homebrew_PCBs] Help finding transformer for r.s.u.
2007-07-26 by John Young
Gordon I have had some luck using old soldering guns as a transformer for a RSU. Remove the tip and attach the wires to hand piece and ground to the two rods
Re: [Homebrew_PCBs] Help finding transformer for r.s.u.
2007-07-26 by Hugh Prescott
Salvage a microwave oven transformer and remove the HV secondary. Wind your own high amperage low voltage secondary to the specs your need / work. The web will
Re: [Homebrew_PCBs] Re: Etching Tips and Tricks
2007-07-26 by Stefan Trethan
... They might want to etch two sides? ST
Re: [Homebrew_PCBs] Re: Etching Tips and Tricks
2007-07-26 by Leon
... From: Chris Hart To: Sent: Wednesday, July 25, 2007 2:21 AM Subject: Re: [Homebrew_PCBs] Re: Etching
Re: [Homebrew_PCBs] Help finding transformer for r.s.u.
2007-07-26 by lists
In article , ... Hmmm, sounds ok for soldering tinplate together but I wouldn t use one for delicate electronic components. I ll stick
Re: [Homebrew_PCBs] Help finding transformer for r.s.u.
2007-07-26 by guja
try Ebay. ... Yahoo! oneSearch: Finally, mobile search that gives answers, not web links. [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Help finding transformer for r.s.u.
2007-07-26 by Leon
... From: SRY To: Sent: Wednesday, July 25, 2007 11:30 PM Subject: [Homebrew_PCBs] Help finding
Help finding transformer for r.s.u.
2007-07-25 by SRY
I ve been meaning to build a resistance solder unit. I went to the local RS yesterday to see what types of transformers they had. They didn t have anything
flexible pcb material?
2007-07-25 by circuitmangler
Does anyone know how to use this stuff?
Re: Circuit on glass substrate
2007-07-25 by dandumit
It seems that this ink cold be very well used for trough hole plating. At least I have seen something similar at LKPF... Have you seen any conductive ink that
Re: [Homebrew_PCBs] Re: Circuit on glass substrate
2007-07-25 by Roland F. Harriston
GTG............. i.e. Go To Google. I think that some of the people who do art work on stained glass, might lead you into outfits that do sputtering. The
Re: Circuit on glass substrate
2007-07-25 by jeromedecock
Thank you. Any link to a producer (using sputtering) for like 300 pieces maximum? Otherwise I found this screenprintable ink Electrodag 461SS (from Acheson
Re: [Homebrew_PCBs] Re: Etching Tips and Tricks
2007-07-25 by Chris Hart
Just don t put it in, walk away, forget about it, and go to bed. That s the quick way to get the toner floating on the etchant. :)
Re: [Homebrew_PCBs] Circuit on glass substrate
2007-07-23 by Roland F. Harriston
Most likely vacuum deposition, commonly called sputtering Roland F. Harriston, PD
Circuit on glass substrate
2007-07-23 by jeromedecock
Hi! I have one of these VFD display (http://www.jogis-roehrenbude.de/ Roehren-Geschichtliches/Nixie/ILZ-1.htm ) russian made and it has a circuit printed on
Saltwater etch process
2007-07-22 by Norm Carlberg
See http://www.instructables.com/id/EKVI03SL4PEV2Z566X/?ALLSTEPS Norm [Non-text portions of this message have been removed]
Re: Use of heat press transfer machine for toner resist application
2007-07-20 by Jose Kovacevich
Yes, it is 200 degrees centigrade, and the paper is the Staples photo basic gloss , as advised by others here. Also, good idea the use of the guard trace. I
Re: Use of heat press transfer machine for toner resist application
2007-07-19 by Jim Reed
... paper? ... OOPS. I just realized you wrote 200 degrees CENTIGRADE. That s almost 400 degrees Fahrenheit. The press I used topped out at 300 degree F.
Re: Use of heat press transfer machine for toner resist application
2007-07-19 by Jim Reed
... Jose, are you referring to Staples printer paper or a heat transfer paper? 200 degrees at 60 seconds sounds like it might be much less problamatic than 300
Re: [Homebrew_PCBs] Re: Use of heat press transfer machine for toner resist application
2007-07-19 by DJ Delorie
... I always add a thick guard trace around the outside of the board s outline to avoid edge-related problems. It mostly keeps the TT paper from peeling off
Re: Use of heat press transfer machine for toner resist application
2007-07-19 by jose_kovacevich
Hi, My name is Jose Kovacevich. This is my first post. I have been making PCBs for some time now. Lately I have been using a heat press, of the kind used for
Re: Use of heat press transfer machine for toner resist applicat
2007-07-19 by pork_u_pine2000
... over again. Thanks! That is helpful info. I have inherited a fairly substantial dry mount press once used for mounting photographs. I believe that the
Re: [Homebrew_PCBs] Use of heat press transfer machine for toner resist applicat
2007-07-19 by James Reed
If my only goal was to make a pretty board, I would have started over again. Since my goal was to make a PC board, learn a little, and use the circuitry I
Re: [Homebrew_PCBs] Use of heat press transfer machine for toner resist application
2007-07-19 by Herbert E. Plett
why didn t you use the oops process of removing the cuasi-failed process and start over? magazine paper shouldn t be too expensive to discard.... why did you
Use of heat press transfer machine for toner resist application
2007-07-18 by Jim Reed
I was discussing using a household clothes iron to apply toner resist with a friend of mine, and discovered he had a heat press - the kind that puts iron on
Re: SV: [Homebrew_PCBs] Eagle part placement crosshairs,, help!!!
2007-07-17 by timbomcnuckle
Thanks for the rsponse, I managed to figure out my stupid mistake later that day and made the correct printfile-- all fixed now! Also gave me the chance to go
Re: Pulsar's "TIA" Laminator - any good?
2007-07-16 by wayneosdias
Hey Jim Sorry I didnt see your post till now. Ya I saw that page and asked frank about it and he said it has no impact on the laminators ability to pass
Re: Salt water etchant
2007-07-16 by Ted Bruce KX4OM
No doubt that s true, David. The fact that he did iron-on from magazine paper got my attention, as that is the only way I can get a good transfer from my
Re: [Homebrew_PCBs] Salt water etchant
2007-07-16 by kevinmwolf@aol.com
Very Cool- ... From: Ted Bruce KX4OM To: Homebrew_PCBs@yahoogroups.com Sent: Sun, 15 Jul 2007 6:28 pm Subject: [Homebrew_PCBs] Salt
Re: [Homebrew_PCBs] Salt water etchant
2007-07-16 by David Griffith
... It won t work for PCBs. Von Slatt s etchings only go a little bit into the metal whereas PCBs go all the way through. He does do some stuff that involve
Salt water etchant
2007-07-15 by Ted Bruce KX4OM
Don t know if this has been posted here, but it demonstrates the use of toner transfer with magazine pages (my favorite), and uses salt water as an etchant for
Re: [Homebrew_PCBs] expresspcb
2007-07-15 by AnaLog Services, Inc.
They did the PCBs on this page for me: http://www.logwell.com/capabilities/surface_electronics.html I have always been happy with their work. Syd ... From:
expresspcb
2007-07-15 by gerald horn
Hello All Has anyone used ExpressPCB service for getting prottypes out?? gerry ... Building a website is a piece of cake. Yahoo! Small Business gives you all
Re: Eagle part placement crosshairs,, help!!!
2007-07-15 by timbomcnuckle
Thanks to all responders! I ended up finding the problem and yes it was stupid. Too many hours in front to machine, nuf said. For the printed (to file or
SV: [Homebrew_PCBs] Eagle part placement crosshairs,, help!!!
2007-07-15 by Henrik Olsson
Hi, The crosshairs are on layer tOrigins and bOrigins so it s just a matter of turning those layers off if you don t want them. If you turn off tPlace and
Re: Using "Conductive Pen" for drawing traces
2007-07-15 by Jim
Hello, Forth the sentiment. I m not even sure how you could solder components to the conductive ink... Disappointment awaits you on this path I think. Point
Re: Using "Conductive Pen" for drawing traces
2007-07-14 by dl5012
Hi, I third that sentiment. The conductive ink comes out in blobs. It s fine for repairing small breaks in traces, but you have to use a needle or
Re: [Homebrew_PCBs] Eagle part placement crosshairs,, help!!!
2007-07-14 by DJ Delorie
DFN10 is well within the capabilities of toner transfer. I have some 0.5mm pitch SMT connectors I ve done adapter boards for, they work just fine, so there s