Re: [Homebrew_PCBs] Awfully quiet in here.
2007-07-04 by Dale J. Chatham
It s because all of us in Northern Texas are suffering from accute Seasonal Affective Disorder and are nuring a major depression caused by all the rain :( ...
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Awfully quiet in here.
2007-07-04 by yd_br
No new messages since Saturday. Has everyone gone to sleep or changed hobbies? - YD.
Re: [Homebrew_PCBs] Re: Spray on Cu news
2007-06-30 by YD
... Go the CuCl route, it only grows, nothing to throw away. Mine s residing in a 2,5 liter tank ATM but is getting a bit dense so I ll transfer it to
Re: [Homebrew_PCBs] Re: Spray on Cu news now septic tank
2007-06-30 by Gordon Couger
... Ferric chloride is pretty harmless stuff. It is the copper, tin and other metals the enchant eats off broads that are the problem in septic tanks. The are
Etching Tips and Tricks (was Re: Spray on Cu news)
2007-06-29 by derekhawkins
... Google ferric chloride hazmat agency
Etching Tips and Tricks (was Re: Spray on Cu news)
2007-06-29 by timbomcnuckle
Wuh! didn t see that coming (sarc)- I m going to leave this alone but for adding that I am disappointed to read much of the response- not for the sake of
Re: [Homebrew_PCBs] Re: Spray on Cu news
2007-06-28 by Russell Shaw
... I bought a 30Lt bottle of Ferric chloride from a chemical wholesaler years ago and am still using it. The trade name for it is Profloc-F , and they told
Re: Spray on Cu news
2007-06-28 by docstein99
... I watched a special on the Discovery Channel, and it showed the entire treatment process for a sewage plant in New Jersey (is actually where I live). The
RE: [Homebrew_PCBs] Re: Spray on Cu news
2007-06-28 by Tony Smith
... Aren t septic systems designed for crap? :) Tony
Re: Spray on Cu news
2007-06-28 by docstein99
... issues ... Sewage treatment plants use ferric chloride in the process before the water is dumped back into a river or ocean.
Re: Spray on Cu news
2007-06-28 by Jim
At the risk of taking this somewhat off-topic thread even further off, consider how much clorox bleach we dump into our septic systems each week doing
Re: [Homebrew_PCBs] Re: Spray on Cu news
2007-06-28 by Gordon Couger
Hi Stefan, Copper is a much more serious problem in the environment. But once again dilution moves into the realm of fertilizer. On a 100 X 300 foot lot 5
Re: [Homebrew_PCBs] Re: Spray on Cu news
2007-06-27 by Stefan Trethan
... I don t think the etchant itself is any problem with most etchants, acids are quickly neutralised (otherwise the hydrochloric acid in the stomachs of our
Re: [Homebrew_PCBs] Re: Spray on Cu news
2007-06-27 by Gordon Couger
The old saw, Dilution is the solution to pollution , sure applies to Ferric chloride. It is used in fertilizer in dilute amounts. Neutralizing the acid and
Re: [Homebrew_PCBs] Re: Spray on Cu news
2007-06-27 by DJ Delorie
... Caveat: an odd pint in a septic tank may kill off enough bacteria to mess up the tank s biodegration properties. I d rather dilute it and pour it
Re: [Homebrew_PCBs] Re: Spray on Cu news
2007-06-27 by Russell Shaw
... Well like DUH, guess what the main ingredient of Root Rot that is sold for unblocking sewers and toilets is?
Re: [Homebrew_PCBs] Re: Spray on Cu news
2007-06-27 by Leon
... From: timbomcnuckle To: Sent: Wednesday, June 27, 2007 5:11 PM Subject: [Homebrew_PCBs] Re: Spray
Re: [Homebrew_PCBs] Etching Tips and Tricks (was Re: Spray on Cu news)
2007-06-27 by Stefan Trethan
... You are replying to the wrong thread (the one you need is Etching Tips and Tricks ). Have you ever heard of the solution to pullution is dilution ? If
Re: Spray on Cu news
2007-06-27 by timbomcnuckle
How do you deal with excess etchant? Pour it down the lavatory. ... late!! DISREGARD that part at least!! bottle (not re-bottle) the leftovers and PAY for
Spray on Cu news
2007-06-27 by Jim Miller
http://www.theinquirer.net/default.aspx?article=40616 thought this might be interesting. there is a link at the bottom to the original article in japanese. if
Re: [Homebrew_PCBs] Re: Etching Tips and Tricks
2007-06-26 by Kamal Shankar
... Anyone else had this brainwave ? Sounds nice ! So why do others use agitators ? Anyone ? ... How much FeCl3 you mix up with the water ? Do you keep it
Re: Etching Tips and Tricks
2007-06-26 by Jim
I discovered about 15 years ago a technique which has worked flawlessly for me and etches in about 5 min.: Float the board, copperside down, on the etchant.
Re: [Homebrew_PCBs] Etching Tips and Tricks
2007-06-26 by Leon
... From: Kamal Shankar To: Sent: Tuesday, June 26, 2007 5:49 PM Subject: Re: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Etching Tips and Tricks
2007-06-26 by Kamal Shankar
... Oh no ! What IS the right proportion? Do you use lab grade or commercial grade? ... How do you deal with excess etchant? Have you ever tried anything else
Re: [Homebrew_PCBs] Etching Tips and Tricks
2007-06-26 by Leon
... From: Kamal Shankar To: Sent: Tuesday, June 26, 2007 2:28 AM Subject: Re: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Etching Tips and Tricks
2007-06-26 by DJ Delorie
... Well, it s worth a try anyway, but even with the special Pulsar paper, Pulsar strongly recommends adding the TRF to seal the toner.
Re: [Homebrew_PCBs] Etching Tips and Tricks
2007-06-26 by Kamal Shankar
... I think this would be too risky for us TT types who use the Flyers for transfer and often have to correct bad traces by a Sharpie ?
Re: [Homebrew_PCBs] Etching Tips and Tricks
2007-06-26 by Kamal Shankar
... A question I have been dreading - right concentration ! As I mentioned.. I am using a commercial grade, and by that I think the retailer meant it has as
Re: [Homebrew_PCBs] Etching Tips and Tricks
2007-06-25 by Dale Chatham
The problem with unagitated FeCl is that the sludge left is thick and inhibits further reaction. It s the reason why the spray method works well. It s my
Re: [Homebrew_PCBs] Etching Tips and Tricks
2007-06-25 by DJ Delorie
I pre-heat the etchant (in it s bottle) in a few inches of hot water; it doesn t have to be *that* hot. However, I don t just soak the board in etchant, I use
Re: [Homebrew_PCBs] Etching Tips and Tricks
2007-06-25 by Leon
... From: Kamal Shankar To: Sent: Monday, June 25, 2007 6:32 PM Subject: [Homebrew_PCBs] Etching
Etching Tips and Tricks
2007-06-25 by Kamal Shankar
Guys I have been facing a problem in getting 15x10 sq.cm single side boards etched under 5 mins. I use commercial grade FeCl3 and heat up the water to boiling
Re: [Homebrew_PCBs] what about using a heat press?
2007-06-23 by Jim Hutchinson
... Hello ST ... I didn t build a motor ... I used an existing motor attached to a simple wooden frame ... The motor already had a 10 inch pulley ... the motor
RE: [Homebrew_PCBs] what about using a heat press?
2007-06-23 by Tony Smith
... I built a similar rig to grind glass for a telescope mirror. Doing it by hand gets a bit boring after a while... Aluminium would distort more (more
Re: [Homebrew_PCBs] what about using a heat press?
2007-06-23 by Stefan Trethan
... Aluminum might be a better choice it conducts heat much better. I find it amazing that you actually built a motor for the lapping and let it run for
Re: DIY PCB Drill Press
2007-06-23 by hwllkym
... Take a look in the photo album Kym for something similar: just as cheap and as easy: slides from hp printer: kym
Re: [Homebrew_PCBs] DIY PCB Drill Press
2007-06-23 by Stefan Trethan
... Nice, thanks. Seems like an alternative to the pivoting design if someone can get the parts required. ST
Re: [Homebrew_PCBs] Re: Pulsar's "TIA" Laminator - any good?
2007-06-23 by Jim Pruitt
This web site might be helpful on using the GBC laminators: http://www.qsl.net/ve2emm/pcb/pcb_mach_mod_e.html Pulsar used to have another similar write up
Re: [Homebrew_PCBs] Re: Pulsar's "TIA" Laminator - any good?
2007-06-23 by Jim Pruitt
Hello Wayne and the group. This web site might be helpful on modifying and using the GBC laminators: http://www.qsl.net/ve2emm/pcb/pcb_mach_mod_e.html Pulsar
DIY PCB Drill Press
2007-06-22 by B
Hi all Just found this new design on the net (always looking at DIY s...). Well explained step by step, good pictures, at:
Re: [Homebrew_PCBs] Re: looking for common non speciallized transfer paper...
2007-06-22 by Derryck Croker
... It doesn t matter. ... You ll be wanting UV at a guess. -- Cheers Derryck
Re: looking for common non speciallized transfer paper...
2007-06-21 by timbomcnuckle
Thanks for the response!, I ll look into that when i get a few bucks,, right now I have 0 so will have to use what I can salvage from free sources-- using
Re: [Homebrew_PCBs] Digest Number 2213
2007-06-21 by Donald H Locker
I recently gave Hammermill 163020 paper a try. It worked much better than magazine stock, HP, Office Depot, and some other photo paper. Google will give you
Re: [Homebrew_PCBs] what about using a heat press?
2007-06-21 by Jim Hutchinson
... If you are going to do a process several times, you will always spend LESS total time if you take the time up front to build the proper tools ... the steel
RE: [Homebrew_PCBs] what about using a heat press?
2007-06-21 by Tony Smith
... Sounds like you ve got too much time on your hands, you need a hobby :) I can t remember what the original thread was about, but it was something like a
Re: [Homebrew_PCBs] what about using a heat press?
2007-06-21 by Jim Hutchinson
... I use a heat press of sorts ... I make small PCB s no larger than 3x4 inches ... I have a 4x6x1 inch piece of steel ... I took a piece of aluminum oxide
Re: [Homebrew_PCBs] looking for common non speciallized transfer paper...
2007-06-21 by Herbert E. Plett
check the archives... this is perhaps the most frequent subject on this list. BTW, almost any glossy paper (including magazines) will do. ...
looking for common non speciallized transfer paper...
2007-06-20 by timbomcnuckle
well, the title pretty-much says it all,. I am trying to get a PCB layout transfered to the bare board, and have tried a few different dedicated transfer paper
RE: [Homebrew_PCBs] what about using a heat press?
2007-06-20 by Tony Smith
... There was a thread about it a while back (A year? More?). Track down Tom Gootee s page, I think it was him who tried it. Might be some results there.
Re: what about using a heat press?
2007-06-19 by Len Warner
... I wonder if anyone ever looks into the archives before expressing their curiosity ;-) ... Oh, sorry, was that meant to be a good idea (TM). How does your