Re: [Homebrew_PCBs] Regenerating Ferric Chloride
2006-06-30 by YD
(below) ... http://www.qsl.net/iz7ath/web/02_brew/14_howto/02_clor/index.htm ... If you add muriatic (hydrochloric) acid and oxygenate it converts to copper
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Re: [Homebrew_PCBs] Re: Destructive testing of inkjet paper
2006-06-29 by Philip Pemberton
... Based on a few experiments, the plastic-based papers will not dissolve in water. At all. The plastic coating/impregnation stops the paper absorbing water.
Re: Destructive testing of inkjet paper
2006-06-29 by alan00463
... plastic based ... Epson photo ... and ... paper with ... heatshrink). ... didn t ... or plastic ... it started ... similar to the ... plastic-based than
Destructive testing of inkjet paper
2006-06-29 by Philip Pemberton
I think I might have come up with a quicker way to identify the plastic based papers - heat. I found this out by accident - there was a piece of Epson photo
RE : RE : [Homebrew_PCBs] Re: Toner melting points, pt. 2
2006-06-29 by Robert Hedan
... James, I recommend at least either acetone or 90% + isopopyl alcohol to remove any leftovers, and then wipe that dry. I think Comet leaves a residue
Re: RE : RE : RE : [Homebrew_PCBs] Toner Transfer success
2006-06-29 by Philip Pemberton
... I ve just tried the Epson Premium glossy photo paper , which appears to have a plastic coating on it. That coating seems to prevent it from absorbing
Re: RE : RE : RE : [Homebrew_PCBs] Toner Transfer success
2006-06-29 by Myc Holmes
and position of the moon..... add to the list of variables: the type of toner. You just have to find the right combination that works for you. Myc ...
Re: RE : [Homebrew_PCBs] Re: Toner melting points, pt. 2
2006-06-29 by Stefan Trethan
I have not followed the thread, so maybe this is not a suitable answer. Some printers use fuser oil on the fuser roller. maybe your toner surface is
Re: Regenerating Ferric Chloride
2006-06-29 by fenrir_co
... I regenerated Ferric Chloride with just muriatic acid at first. The result didn t etch as fast as new etchant, but worked. Eventually, however, I found
Re: [Homebrew_PCBs] Regenerating Ferric Chloride
2006-06-29 by Leon Heller
... From: Robert Hedan To: Sent: Thursday, June 29, 2006 4:21 AM Subject: [Homebrew_PCBs]
Re: homebrew laser plotter
2006-06-29 by Andrew
... Have you tried the dremel tool to mill fiberglass PCB ? I beleive the speed (20K rpm or so) is a bit slow and that they also have a bit much run out to do
RE: [Homebrew_PCBs] Re: Doing TT with normal paper
2006-06-29 by John Craddock
From another one from OZ (where we don t have Staples). Can you be a bit more specific about the version or product number for the Epson photo paper? Regards
Regenerating Ferric Chloride
2006-06-29 by Robert Hedan
Ok, I finally got around to reading the thread about muriatic acid and wondered if I could do something with the spent FeCl I have been accumulating. I was
RE : [Homebrew_PCBs] Re: Toner melting points, pt. 2
2006-06-29 by dagmargoodboat
... start a ... GBC H300 ... Thanks Robert, I thought that too, and decided to test the idea. Wanting to eliminate board prep, as well as transfer pressure,
Re: homebrew laser plotter
2006-06-29 by loco_labs
Hi, im building a small CNC type machine using steppers and belts to move a dremel in 3 axis, controlled from parallel port. I will use eagle pcb and then
Re: [Homebrew_PCBs] Re: 6/6 Rules (.006" lines and .006" spacing)
2006-06-29 by John Popelish
... (snip) ... I await your report. I have used the method only with ferric chloride.
RE : [Homebrew_PCBs] Re: Toner melting points, pt. 2
2006-06-29 by Robert Hedan
... Welcome James, Since you were able to get perfect results on the scrap board, I would suggest looking more into the preparation of the PCB surface. The
Re: Doing TT with normal paper
2006-06-29 by loco_labs
Hi, im new to this group and im from Australia. I used Epson photo paper, and to separate the paper from the toner i would soak it in warm water with some dish
Re: 6/6 Rules (.006" lines and .006" spacing)
2006-06-29 by Andrew
... I will give this a try with some CuCl on the weekend and see if it works with that and what I think of it.
Re: RE : RE : RE : [Homebrew_PCBs] Toner Transfer success
2006-06-29 by Andrew
... And don t forget - freshness of the goats.
Re: Toner melting points, pt. 2
2006-06-29 by dagmargoodboat
... Greetings all, I see the first half of this post was lost, and that Yahoo kindly reformatted my carefully-formatted 2nd part as well.
RE : RE : RE : [Homebrew_PCBs] Toner Transfer success
2006-06-28 by Robert Hedan
... Another thing people have to realize is that what works for me may not work for them. We have many variables in this process: printer model, condition of
Re: RE : RE : [Homebrew_PCBs] Toner Transfer success
2006-06-28 by alan00463
... on my ... the paper. ... with a pen ... there are ... You re making progress, Robert. Thanks for the update. I like your attitude. I have some
Toner melting points, pt. 2
2006-06-28 by dagmargoodboat
(Oops - a tab and a sent my first post before completion!) Continuing... PRINTERS / TONER USED HP LaserJet 5L, original cartridge Samgsung 1710, cartr.
RE : RE : [Homebrew_PCBs] Toner Transfer success
2006-06-28 by Robert Hedan
... I just tried another print, just in case I had my head on backwards on my 1st attempt. Same results, the toner does not stick perfectly to the paper. I
Re: RE : [Homebrew_PCBs] Toner Transfer success
2006-06-28 by Philip Pemberton
... [...] ... I ve got some Epson S041732 DURAbrite Photo Paper which seems to be the UK/EU A4-size variant of the S041731, Made in Japan . I guess I won t
RE : [Homebrew_PCBs] Toner Transfer success
2006-06-28 by Robert Hedan
... I tried Epson S041731 with mediocre results. I have a Staples gift card lying around, perfect to go get a pack of S041124. I hope the toner I use
Re: [Homebrew_PCBs] Re: Muriatic acid and H2O2
2006-06-28 by Russell Shaw
... I got three darkish moles cut out by the doctor, and the resulting 10mm wide wounds stitched up. The skin stretches over time so there s little if any
Re: [Homebrew_PCBs] Re: Muriatic acid and H2O2
2006-06-27 by Adam Seychell
... Ahhhh, nothing like good old 18th century medication :)
Re: [Homebrew_PCBs] Re: What kind of ink are we really seeking for?
2006-06-27 by Herbert E. Plett
... you see??? there IS a chance to find out some stuff... __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has
Doing TT with normal paper
2006-06-27 by Kamal Shankar
Had a lot of spare time this week, and I tried doing some TT using normal paper (my stock of gelatin paper had finished and doing 8/8 using mags never worked
Re: Muriatic acid and H2O2
2006-06-27 by derekhawkins
... Just started high school chemistry at around 14 years old....Had this fungus looking mark about the size of quarter on my arm that none of the doctor
Toner Transfer success
2006-06-27 by Mark Merclean
A quick success story, and return of information to the group. I am new to electronics as a hobby, and of course needed to be able to produce PCB s. I just
Re: What kind of ink are we really seeking for?
2006-06-27 by mikegw20
... Would a chemical engineer do? We usually try to avoid chemistry but... IDEA ONE Reading bits and pieces here and there (feel free to correct me but this
Re: [Homebrew_PCBs] Muriatic acid and H2O2
2006-06-27 by YD
... Save it and use it as a starter for a CuCl2 etch. Add a few drops of H2O2 for every use and keep it in an airtight container as long as there s excess acid
Re: [Homebrew_PCBs] Re: Muriatic acid and H2O2
2006-06-27 by Russell Shaw
... The main problem there is large-scale spillage and fume generation. ... Yes, but i said not concentrated enough to be fuming . NewBs downfall is lack of
Re: [Homebrew_PCBs] Re: Muriatic acid and H2O2
2006-06-27 by Myc Holmes
Russell, They say a little knowlegde is dangerous. Your comment is a prime example. I spent 20+ years using HCL by the 55 gallon drum in an industrial setting.
Re: [Homebrew_PCBs] Re: Muriatic acid and H2O2
2006-06-27 by Adam Seychell
... I know a guy who d dunk his whole hand almost to the elbow when retrieving a PCB from his heated ammonium persulfate bubble etcher.
Re: [Homebrew_PCBs] Re: Muriatic acid and H2O2
2006-06-27 by Russell Shaw
... HCl is tame stuff if not concentrated enough to be fuming. http://en.wikipedia.org/wiki/Hydrochloric_acid It stings on wounds like lemon juice or vinegar.
Re: [Homebrew_PCBs] Re: Muriatic acid and H2O2
2006-06-27 by Myc Holmes
Note: Muriatic Acid is a very strong acid and will cause severe burns! Acid burns destroy the tissue are very painful. Definitely use the gloves and eye
Re: homebrew laser plotter
2006-06-27 by Andrew
... Yep - I think the only thing there is more schematics of on the net is propeller clocks. ... OK - They already have focus optics which is good. But what
Re: Muriatic acid and H2O2
2006-06-26 by Hugo González Monteverde
Here s a link to doing the CuCl method. http://www.smallsolar.org/workshop/etchant/index.htm Hugo -- Kiam oni amas, oni fajras...
Re: homebrew laser plotter
2006-06-26 by roel_cnc
... lots of schematics on the net for pll that can be used i think ... i was thinking to use a ldiode from a dvd burner they can trow up to 70mw and with a
Re: homebrew laser plotter
2006-06-26 by Andrew
... Have now investigated writing a printer driver for windows. There is a thing called unidrv that is quite easy to do. You don t even realy need to do any
Re: [Homebrew_PCBs] Re: 6/6 Rules (.006" lines and .006" spacing)
2006-06-26 by Leon Heller
... From: Andrew To: Sent: Monday, June 26, 2006 4:58 AM Subject: [Homebrew_PCBs] Re: 6/6 Rules
Re: [Homebrew_PCBs] Muriatic acid and H2O2
2006-06-26 by Stefan Trethan
On Mon, 26 Jun 2006 04:32:44 +0200, John Popelish ... Also consider if you don t want to use the etchant to start a CuCl batch which can
Re: 6/6 Rules (.006" lines and .006" spacing)
2006-06-26 by Andrew
... Never heard of fumigation trick or laser buddy - I will google them both now. I have an endless supply of inkjets and ink for them (I have a friend that
Re: 6/6 Rules (.006" lines and .006" spacing)
2006-06-26 by derekhawkins
... Thanks. ... Assuming you re already using the highest toner density setting, you could try the solvent fumigation trick or one of those sprays like Laser
Re: [Homebrew_PCBs] Muriatic acid and H2O2
2006-06-26 by John Popelish
... Get a box of washing soda (sodium carbonate) from the grocery store. Slowly add it to the expended etchant, till it stops foaming. This neutralizes the
Re: 6/6 Rules (.006" lines and .006" spacing)
2006-06-26 by derekhawkins
Being setup for macro shots I decided to take some possibly useful reference shots; Unetched copper surface at same magnification as previous closeups;