Re: [Homebrew_PCBs] Homebrew through plating station
2003-05-31 by Markus Zingg
Hi Stefan ... Thank you. I m in the process of doing some small changes and hope to plate through the first PCB tomorrow. What I change is the voltage
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[Homebrew_PCBs] inkjet printing - test and conclusion
2003-05-31 by stefan_trethan@gmx.at
hi to all.. this moment i finished my inkjet printing experiments. for all who aren t familiar with the topic: the target was to use acrylic floor polish in a
Re: [Homebrew_PCBs] Homebrew through plating station
2003-05-31 by stefan_trethan@gmx.at
nice station. i have the following question: i don t know much about through hole plating but don t you have to rinse the board after each chemical? i wonder
Re: [Homebrew_PCBs] Homebrew through plating station
2003-05-31 by Markus Zingg
Hi Hans ... Yes, the excenter wheel which you can best see in the close up section of my page showes how it works. ... Will try to do so. However, at the
Re: [Homebrew_PCBs] Homebrew through plating station
2003-05-31 by Hans Wedemeyer
Markus, Thanks for the link. Did you download the video from Bungard ? It show the PCB moving in the plating bath ! Do you have that feature ? The site is
Re: [Homebrew_PCBs] Re: Homebrew through plating station
2003-05-31 by Markus Zingg
Hi Adam ... Well, I will soon be able to tell wether mine works or not :-) ... Thanks for the hints. I will consider them, but think it s best if I now do
Re: [Homebrew_PCBs] Re: Homebrew through plating station
2003-05-31 by adam Seychell
... I can give tips on the acid copper plating since I have a bit of experience with this. I have been doing small amounts of copper plating for about 2 years
Re: [Homebrew_PCBs] Homebrew through plating station
2003-05-31 by Markus Zingg
Dear Hans Please read below. ... I was thinking about this, but then the unit my friend uses also is having the electronics inside - no problems yet. Well, I
Re: [Homebrew_PCBs] Homebrew through plating station
2003-05-31 by Hans Wedemeyer
Markus, Sorry I got into this thread late. If you are using acid in the bath, I d say keep the electronics completely away from the box. It can get messy. I m
Re: [Homebrew_PCBs] Re: Homebrew through plating station
2003-05-31 by Markus Zingg
... Adam, I forgot to say that yes , there is of course a fuse. You can see it on the pages under closeups and then the pannel . Markus
Re: [Homebrew_PCBs] Homebrew through plating station
2003-05-31 by Markus Zingg
Hi Hans ... I m considering turning the frame the other way round so as the electrolytic tank is on the oposit end of the box. However I m not sure if it can
Re: [Homebrew_PCBs] Re: Homebrew through plating station
2003-05-31 by Markus Zingg
Hi Adam First off - let me thank you for the critical feedback. I am in fact not experineced and therefore thankfull for any information. ... I figure I could
Re: [Homebrew_PCBs] Re: Homebrew through plating station
2003-05-31 by Markus Zingg
Hi John ... Thanks for the flowers. ... Yes of course. I meanwhile created a better page. It was 3:30 am when I put the pictures online :-) It s still the same
Re: [Homebrew_PCBs] Homebrew through plating station
2003-05-31 by Hans Wedemeyer
Markus, Look good, however the acid fumes will attack you electronics ! I d say keep the electronics away from the acid by at least 3-4 feet... How do you plan
Re: [Homebrew_PCBs] Re: Homebrew through plating station
2003-05-31 by adam Seychell
... I agree, he has put quite some effort into the apparatus. However I really think he shouldn t of tried building the entire thing in one step, unless he had
Re: Homebrew through plating station
2003-05-31 by John Myszkowski
HI Markus, That looks like a very impressive setup. Very neat. Will you share the details with us, so that we can do the same? How did you join the plastic
Homebrew through plating station
2003-05-31 by Markus Zingg
Hello to everyone. It s done! For those interested, here s the link showing the first pictures of my homebrew through plating station.
Re: Almost free PCB Transfer Paper
2003-05-30 by Dean Batute
I tried adding some dishwashing liquid to the water to help make the water wetter and it seemed to help. Using HOT water helps too. As long as it s not too
Re: [Homebrew_PCBs] Almost free PCB Transfer Paper
2003-05-29 by kenneth magers
i will have to try this but with all of the papers i have tried i think the main problem is getting the paper to release the toner on the board i was wondering
Re: [Homebrew_PCBs] Almost free PCB Transfer Paper
2003-05-29 by Leon Heller
... From: Dean Batute To: Sent: Thursday, May 29, 2003 3:24 PM Subject: [Homebrew_PCBs] Almost free PCB
Re: [Homebrew_PCBs] Almost free PCB Transfer Paper
2003-05-29 by stefan_trethan@gmx.at
very nice idea! i will of course try this. but it may be a good idea to use magazines with no fingerprints etc on the pages. regards stefan ... -- +++ GMX -
Almost free PCB Transfer Paper
2003-05-29 by Dean Batute
Hello all, Having no luck finding any of the brands of photopaper that people have been recommending for the iron on transfer method, I began thinking about
RE: [Homebrew_PCBs] Digest Number 338 (verification)
2003-05-27 by brian@rusper.org
brian@rusper.org here, I m protecting myself from receiving junk mail. Just this once, click the link below so I can receive your emails. You won t have to do
Re: New file uploaded to Homebrew_PCBs
2003-05-27 by John Myszkowski
Thanks Dave, For the rest, just look inside the Files area of this user group. It seems to be the TOP folder. John M... ...
RE: [Homebrew_PCBs] New file uploaded to Homebrew_PCBs
2003-05-26 by Dave Hylands
It appears that the files were moved to this location:
Re: [Homebrew_PCBs] New file uploaded to Homebrew_PCBs
2003-05-26 by JanRwl@AOL.COM
In a message dated 5/26/2003 9:59:19 AM Central Standard Time, ... I STILL get this: The requested file or directory is not found on the ... [Non-text
Re: [Homebrew_PCBs] New file uploaded to Homebrew_PCBs
2003-05-26 by JanRwl@AOL.COM
In a message dated 5/26/2003 9:57:18 AM Central Standard Time, ... I get this: The requested file or directory is not found on the server. [Non-text
New files uploaded to Homebrew_PCBs
2003-05-26 by Steve Greenfield
Very cool. Leon uploaded pictures of his project. -Steve http://groups.yahoo.com/group/Homebrew_PCBs/files/Leon/ From Leon: Here are some of my home-made
New file uploaded to Homebrew_PCBs
2003-05-26 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File :
Re: New file uploaded to Homebrew_PCBs
2003-05-26 by John Myszkowski
Thanks Steve, That was dumb of me. I knew about the spaces, but it just slipped my mind. Thanks again... :) John M... ...
Re: New file uploaded to Homebrew_PCBs
2003-05-26 by Steve Greenfield
Very nice! I seem to have problems at times viewing files when the directory or file names have spaces in them. I ve changed your directory name to use
Re: Narrowest tracks?
2003-05-26 by John Myszkowski
About the photos... The Bottom (copper) side shows an UN-retouched process. I printed the PCB tracks on the hot stamp foil (back side of it) using my HP
New file uploaded to Homebrew_PCBs
2003-05-26 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File : /Foil
New file uploaded to Homebrew_PCBs
2003-05-26 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File : /Foil
Re: [Homebrew_PCBs] Narrowest tracks?
2003-05-26 by Markus Zingg
... The picture maybe does not show it clearly, but the tubes there are farily close to the glass. I m not at home at the moment to measure, but out of my
Re: Narrowest tracks?
2003-05-26 by John Myszkowski
1) I use direct toner to hot foil. I use HP LaserJet 6L, works at either 300 or 600 dpi. 2)Flat hot press to PCB. I was lucky enough to have one around, works
Re: [Homebrew_PCBs] Narrowest tracks?
2003-05-26 by Leon Heller
... Similar to mine, except you have *lots* more tubes and mine is made (crudely) from MDF. 8-) My tubes (I only have 2) are about 13.5 cms from the glass and
RE: [Homebrew_PCBs] Narrowest tracks?
2003-05-26 by Leon Heller
... I buy my PCB material ready coated with positive resist, supplied by Mega Electronics, UK. I think it is roller applied, according to the description - 5
Re: [Homebrew_PCBs] Narrowest tracks?
2003-05-26 by Markus Zingg
... Of course, it works for me also. ... Hmmm, I have a picture online of my exposing unit which is a Scanner housing with UV tubes built in. The picture
RE: [Homebrew_PCBs] Narrowest tracks?
2003-05-26 by John Craddock
Hello all, I presume from the replies so far, all respondents use photo-resists. I have these questions. What brand? What type? liquid or dry film What
Re: [Homebrew_PCBs] Narrowest tracks?
2003-05-26 by Leon Heller
... I m quite sure I could get 8 mils, with a better printer, as I can get 12 reliably even with tracing paper. I think a lot of people have problems because
Re: [Homebrew_PCBs] Narrowest tracks?
2003-05-26 by Hans Wedemeyer
Leon, If you use commercially pre-sensitized board material ( I recommended Ocean State at http://www.oselectronics.com/ose_p78.htm good price ) developed in
Re: [Homebrew_PCBs] Narrowest tracks?
2003-05-26 by Markus Zingg
... Leon, I can do 8 mil - no problem - by directly printing onto transparency paper (not using photo-reduction or such) using an older HP LaserJet 4P. This
Narrowest tracks?
2003-05-26 by Leon Heller
I can do 12/12 mil tracks, with 10 mils if necessary, using an old LaserJet IIIp to produce the transparencies. I was wondering what is the best any of you can
Re: I have a dream...
2003-05-26 by Jonathan W
... the pcb ... pcbs) ... needs ... work with ... The Nichia UV laser diode has a rated output of 2 mW. Now, that s not a whole lot of power, but when none of
Re: [Homebrew_PCBs] Re: I have a dream...
2003-05-26 by stefan_trethan@gmx.at
thank you for that information. i did know there is a laser but had no idea how it is deflected. i thought the fiberoptic cable is for adjusting the intensity
Re: Creating a professional looking solder stopp mask
2003-05-25 by Jonathan W
... The photoresist we use in my lab is Clariant AZ5209 (useable as positive or negative photoresist, depending upon the processing). Spinning at 4000 rpm
Re: I have a dream...
2003-05-25 by Jonathan W
... Actually, the resolution depends upon a lot of things. It might have been limited by the optics, or it might have been limited by the control circuitry
OT An easy way to archive entire Yahoogroups
2003-05-25 by Steve Greenfield
Saw this mentioned on one of the lists I am on. It is a program that will download an entire Yahoogroup, including files and photos and attachments so that you
Re: [Homebrew_PCBs] HCl/H2O2 etching
2003-05-25 by stefan_trethan@gmx.at
... i m not sure if it speeds up from zero with no cucl in. i think i remember it was almost as fast when made up fresh. maybe half the speed, but i m very