File - monthly.txt
2003-04-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder, please read: Subject lines: Remember to change the subject line if you are straying from the original thread. Please change the subject line
Messages
Browse messages
Page 680 of 707 · 35337 messages matched
Re: [Homebrew_PCBs] Re: air sparger for cupric chloride etchant and supplies
2003-04-01 by Adam Seychell
... Something like that. but I think the porous hose works better. Aquarium air stones are good too. ... From the chemical chart, Tygon seems ok in most acids.
Re: [Homebrew_PCBs] Re: air sparger for cupric chloride etchant and supplies
2003-04-01 by Jan Kok
From: grantfair2001 For air I thought I would try a portable tire inflator from Harbor Freight, or perhaps an old Gast vacuum pump I ve had kicking around for
Re: air sparger for cupric chloride etchant and supplies
2003-04-01 by grantfair2001
A bit of research showed that this tubing is definitely not what I need in an acid environment:
Re: air sparger for cupric chloride etchant and supplies
2003-04-01 by grantfair2001
Thanks for the additional information. Did you use the pipe layout which Think and Tinker recommends, like a U shape, with the PCB in the middle between the
Re: [Homebrew_PCBs] air sparger for cupric chloride etchant and supplies
2003-04-01 by Adam Seychell
That s good you found a place selling that stuff, sometimes these plastics are hard to locate. Stay with PVC , because its the only plastic you can easily glue
Re: [Homebrew_PCBs] Where to get schedule 80 PVC for air sparger for cupric c...
2003-04-01 by JanRwl@AOL.COM
In a message dated 3/31/2003 6:46:32 PM Central Standard Time, ... Yeah, they sell all KINDSA vessels of several kindsa plastics, much surely good for
Where to get schedule 80 PVC for air sparger for cupric chloride etchant
2003-04-01 by grantfair2001
I spent several hours looking for an inexpensive source of schedule 80 1/4 PVC pipe and fittings to make the air sparger outlined on the Think and Tinker
Re: [Homebrew_PCBs] WHERE TO BUY RESIST COATED PCB IN AUSTRALIA
2003-03-25 by Dwain J. Hill
Computronics looks good, thanks guys! ... From: Russell Shaw To: Homebrew_PCBs@yahoogroups.com Sent: Tuesday, March 25, 2003 11:45 AM Subject: Re:
Re: [Homebrew_PCBs] WHERE TO BUY RESIST COATED PCB IN AUSTRALIA
2003-03-25 by Dwain J. Hill
Have looked at the Jaycar online (it doesn t specify positive or negative, so I rang and asked and they couldn t answer, DSE only sell +ve, and it aint all
Re: [Homebrew_PCBs] WHERE TO BUY RESIST COATED PCB IN AUSTRALIA
2003-03-25 by Russell Shaw
... Jaycar, DSE, http://www.computronics.com.au/tools/
Re: [Homebrew_PCBs] WHERE TO BUY RESIST COATED PCB IN AUSTRALIA
2003-03-24 by John Johnson
One source ( I haven t tried it myself ) is http://www.cia.com.au/rcsradio/circom00.htm regards, John ... From: Dwain J. Hill To: Homebrew_PCBs@yahoogroups.com
WHERE TO BUY RESIST COATED PCB IN AUSTRALIA
2003-03-24 by Dwain J. Hill
Can anyone help me with possible suppliers of resist coated PCB in AUS? ... From: crankorgan To: Homebrew_PCBs@yahoogroups.com Sent: Sunday, March 23, 2003
Hardware Store CNC
2003-03-23 by crankorgan
Hi Gang, I started a conference called Hardware Store CNC. So you want to build a PCB mill or drill? Drop by! http://pub75.ezboard.com/bhardwarestorecnc John
Re: best replacement for an etcher ? & CNC Machines
2003-03-22 by twb8899
Dave, A T-Tech system recently sold on eBay for $3850. Here s the link: http://cgi.ebay.com/ws/eBayISAPI.dll? ViewItem&item=2512734069&category=26260 I just
Re: [Homebrew_PCBs] best replacement for an etcher ?
2003-03-22 by Ned Konz
... One improvement on the iron technique may be (I haven t tried it) to use a vacuum frame and the special paper: http://www.dynaart.com/DTF/E.DTF.html This
best replacement for an etcher ?
2003-03-22 by Dave Mucha
Hi, I have a T-tech circuit board etcher that I am planning on putting on e-Bay, software, lisecnsed dongel, the works. I would like to replace it with
End of Subject Re: [Homebrew_PCBs] Re: From the moderator - and a question about making boards.
2003-03-21 by Steve Greenfield
OK, enough about that. I only wanted people who may be moderated to realize they haven t done anything wrong, it isn t personal, and it isn t permanent. And
Re: From the moderator - and a question about making boards.
2003-03-21 by Dave Mucha
... This is pretty much what I meant. 7x10 is considdered a gerneral store where the guys sit around and shoot the s__t, mostly about the lathe, but also
Re: [Homebrew_PCBs] Digest Number 274
2003-03-19 by Cazarry@aol.com
In a message dated 3/18/03 10:40:10 AM, Homebrew_PCBs@yahoogroups.com writes:
Re: [Homebrew_PCBs] Digest Number 274
2003-03-19 by Cazarry@aol.com
In a message dated 3/18/03 10:40:10 AM, Homebrew_PCBs@yahoogroups.com writes:
RE: [Homebrew_PCBs] From the moderator
2003-03-17 by Steve Greenfield
And that pretty well sums up how I run my lists. Steve ... __________________________________________________ Do you Yahoo!? Yahoo! Web Hosting - establish
RE: [Homebrew_PCBs] From the moderator
2003-03-17 by Tim Goldstein
Though I would correct a mis-statement here. CAD_CAM_EDM_DRO is actually quite lightly moderated. We do moderate all new members until they post once or twice
Re: [Homebrew_PCBs] From the moderator
2003-03-17 by dave mucha
Hi Steve, I follow the general line of posts on lists. if they allow ot posts, I ll do that, if it is cut and dried, I do that too. Cad_cam_edm_dro is heavily
Re: [Homebrew_PCBs] From the moderator
2003-03-16 by Workaholic_ro
I perfectly understand. I also moderate a few groups and I know that spam is unfortunately omnipresent on net. sine ira at studio, work. P.S. I am a real
Re: [Homebrew_PCBs] From the moderator
2003-03-15 by Elso Kwak
Hi Steve, I seldom post on your forum but I am gratefull as my problem with the printer was solved thanks to it. Best regards, ELSO ... From: Steve To:
From the moderator
2003-03-15 by Steve
Just so you know- Some of you are on moderated status. This is nothing personal, I only do this for new members whom I don t know. This is just to limit spam
Re: Cupric Choride etching - costs and benefits
2003-03-13 by grantfair2001
... Well, that s pretty good advice. I already have some HCl. I did not realize it took so long for the copper to react - so when I tried it, after an hour I
Re: [Homebrew_PCBs] Cupric Choride
2003-03-11 by luther m stroud
I prefer the cucl be made with dilute hcl and scap copper and hyrogen peroxide 3% from the drug store. start off slow speeds up as th copper ions make a green
Re: [Homebrew_PCBs] Re: Cupric Choride etching - costs and benefits
2003-03-11 by Adam Seychell
Oh sorry, I forgot to mention the hydrometer. I ve only seen 1.100 to 1.200 g/mL range. Any equipment that is used for doing a measurement then I don t
Re: [Homebrew_PCBs] Cupric Choride
2003-03-11 by Adam Seychell
Thanks for your input. Hydrogen peroxide is an excellent idea to start the production of CuCl2. The dark brown color your seeing that doesn t go away with
Re: [Homebrew_PCBs] Re: Cupric Choride etching - costs and benefits
2003-03-11 by Adam Seychell
If you have a experience with the process then you can probably throw away the instrumentation and do it by eye, noise and conscious. Etching solutions aren t
Re: Cupric Choride etching - costs and benefits
2003-03-10 by rolanyang
For a etching tank, I used a tupper juice pitcher which can be purchased from the local grocery store or around here in NJ... the 99-cent stores. I haven t
Re: Cupric Choride etching - costs and benefits
2003-03-10 by grantfair2001
Thanks again Adam. The Rex Allers article suggests obtaining a hydrometer to monitor the density of the etchant, which should start out at a density of 1.17
Re: [Homebrew_PCBs] Re: Cupric Choride etching - costs and benefits
2003-03-09 by adam Seychell
No reason I can think of. picnic coolers are cheap, and have a good lid. I built my tanks because I needed those dimensions. I coudnl t find anything off the
Re: Cupric Choride etching - costs and benefits
2003-03-09 by grantfair2001
... wrote: Thanks Adam - this is helpful advice. Is there any reason not to use a plastic picnic cooler? I believe these are PVC. Grant
Re: [Homebrew_PCBs] Cupric Choride etching - costs and benefits
2003-03-09 by adam Seychell
I agree, ferric is the good old standard hobby etchant. Its quick and low fuss to getting started. Simply pour some into and old ice-cream container, place
Cupric Choride etching - costs and benefits
2003-03-09 by grantfair2001
I think there are many reasons that ferric chloride is still used so commonly. It s the done thing . If you just ask around most advice about making PCB s
Re: [Homebrew_PCBs] Cupric Chloride and Stainless Steel
2003-03-07 by adam Seychell
Very good point. Nylon doesn t like strong acids. It tends to crumble apart after some time, in week or so.
Re: [Homebrew_PCBs] Cupric Chloride and Stainless Steel
2003-03-07 by Ned Konz
... Beware that nylon is attacked by HCl. I ve had nylon zip ties fall apart when used in a FeCl etch tank. ... -- Ned Konz http://bike-nomad.com GPG key ID:
Re: [Homebrew_PCBs] Cupric Chloride and Stainless Steel
2003-03-07 by milwiron@terrorbydesign.com
Hi Adam, Thank you for the feedback. Thankfully the screws are common sizes, I probably replace them with Delrin or nylon versions. Denny ... eat.
Re: [Homebrew_PCBs] Cupric Chloride and Stainless Steel
2003-03-07 by Adam Seychell
Yes it will, but probably not fast as Ferric Chloride. I once had a stainless teaspoon sitting in a beaker containing cupric chloride etching and it etched a
plate the double side
2003-03-06 by Juan
Well, I m too new in this groups, only two days, and i would like to konw how to make the electro copper... I m studing Telecommunications engineering and I
Re: [Homebrew_PCBs] Re: Laser Printer Toner transfer with plain regular paper
2003-03-06 by kenneth magers
i must tell you i was not poisend from cupric chloride i was working at a place that made pc boards for the goverment and had to clean larg copper electrodes
Cupric Chloride and Stainless Steel
2003-03-06 by milwiron@terrorbydesign.com
Hey All, Does anybody know the effects of the cupric chloride etchant solution on stainless steel? I have a few stainless screws in my etching tank that
Re: [Homebrew_PCBs] Re: Laser Printer Toner transfer with plain regular paper
2003-03-06 by Adam Seychell
... What he didn t mention was *HOW* he became intoxicated. I mean was he drunk one day and his friends dared him to drink some cupric chloride solution, or
Re: Laser Printer Toner transfer with plain regular paper
2003-03-06 by rolanyang
Yea, from what I read, you just let the let the pump bubble/aerate the solution for a while, and then it changes back to the green color.... and it seems to
Re: [Homebrew_PCBs] Re: Laser Printer Toner transfer with plain regular paper
2003-03-06 by Adam Seychell
... Ordinary old air can regenerate the solution too. The cuprous chloride complex is quickly oxidized to the cupric state (Cu++) with dissolved oxygen. Air is
Re: differences between the 2N2907 and 2N3905 transistors
2003-03-05 by Steve
I think you d have more luck posting this on an electronics list. Perhaps: http://groups.yahoo.com/group/Advanced_Electronics
Re: Digest Number 262 - cupric chloride
2003-03-05 by rolanyang
Were you poisoned by Copper Chloride? How did it get it into your system? Via inhalation, through the skin, or did you ingest it? ~Rolan