Re: Trouble producting transfers
2008-02-13 by josemj1
Chuck, Toner transfer never worked for me reliably over the years until I used the combination of a laminator (whose temperature I can control) and the Staples
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Re: Trouble producting transfers
2008-02-13 by pgdion1
... results? ... hand drawn missing traces. ... Hi Chuck, I originally had problems like yours with TT way back and had switched to Positive Photo. After
Re: [Homebrew_PCBs] Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-02-12 by Markus Zingg
This (for me) forms an alternative for stencils supposed to last long, cause those I do are a bit difficult (not impossible though) to clean and as such I most
Re: [Homebrew_PCBs] Transfer looking good now
2008-02-12 by Chuck Kelsey
It certainly appears that this may be at least a contributing problem, possibly the primary one. Chuck WB2EDV ... From: Stefan Trethan
Re: [Homebrew_PCBs] Transfer looking good now
2008-02-12 by Chuck Kelsey
Actually, yes. I used some 600 grit wet/dry sandpaper to clean the board after I d already used a brillo soap pad, then rubbed down the board with rubbing
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-12 by Stefan Trethan
Your expectations are not too high, you just need to iron out some problems in your process. It is not unreasonable to achieve a perfect transfer every time,
Re: [Homebrew_PCBs] Transfer looking good now
2008-02-12 by Stefan Trethan
So you had a temperature problem after all. Convert a fuser to run at ~180C and slow and you ll only need one pass. ST
Re: [Homebrew_PCBs] Transfer looking good now
2008-02-12 by Myc Holmes
Did you make any other changes besides the size of the board and the number of passes? TANSTAAFL! Myc ... [Non-text portions of this message have been removed]
Transfer looking good now
2008-02-12 by Chuck Kelsey
Well, I think I may have done it. First, I made my boards smaller so that they wouldn t sink as much heat. Instead of a 4 x 6 board with 6 circuits on it, it
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-12 by Chuck Kelsey
I m sorry, you said laminator. I read the post to quickly. Chuck ... From: Chuck Kelsey To: Sent:
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-11 by Chuck Kelsey
Are you using a laminator or iron? Chuck ... From: Alexandre Guimarães To: Sent: Monday, February
RES: [Homebrew_PCBs] Trouble producting transfers
2008-02-11 by Alexandre Guimarães
Hi, I am using Pulsar paper, green film, laminator and boards... Results are perfect with 6mils traces and 6mils spacing. It is fast and easy, I just followed
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-11 by Chuck Kelsey
Thanks guys for all the tips. Is anyone doing toner transfers and consistently getting perfect results? Maybe my expectations are too high and I ll have to
Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-02-11 by pork_u_pine2000
Just to report: Someone mentioned the material advertised at: http://renaelectronics.com/product_stencil.htm for use making stencils. I bought some and can
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-11 by Leon
... From: Ben Buxton To: Sent: Monday, February 11, 2008 4:43 AM Subject: Re: [Homebrew_PCBs] Trouble
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-11 by Ben Buxton
I had this problem initially where some toner would still lift off the cpper with the paper. The solution I have found is novel, but works surprisingly well -
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-11 by DJ Delorie
... Before. It affects how evenly the printer puts down toner.
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-11 by Chuck Kelsey
Do you re-humidify before or after running it through the printer? Chuck WB2EDV ... From: DJ Delorie To:
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-11 by Chuck Kelsey
Upon retrying, the toner stuck better with additional board cleaning. However, I still had some not adhere. Not sure what the flash fusing would do. If the
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-11 by DJ Delorie
One trick with the pulsar paper is to re-humidify it. Put it in a sealed box with a container of water for a few minutes. What I do is use an inverted
Re: [Homebrew_PCBs] Re: Trouble producting transfers
2008-02-11 by Myc Holmes
That should work too. Any methiod that adds enogh extra heat will help. The hair dryer works for me. If you have a hot air gun even better. You could even
Re: Trouble producting transfers
2008-02-11 by javaguy11111
A hair dryer may not get the board hot enough. I have had good luck with one pass through the laminator, heat up with an iron, then pass through the laminator
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-11 by Myc Holmes
It is possible that you do have a temperature problem. Laminators without separate temperature control sometimes do not get hot enough to fully melt the toner.
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-10 by Chuck Kelsey
Thanks for the response. My hunch was that it may have been a board cleanliness issue. I ll try the alcohol and have a can of acetone. I ve also been real
Re: [Homebrew_PCBs] Trouble producting transfers
2008-02-10 by Myc Holmes
Sometimes the paper towels will have procesing oils on them. Try a final rinse with ispropanol (rubbing) alcohol or acetone and let air dry. DO NOT use nail
Trouble producting transfers
2008-02-10 by Chuck Kelsey
I picked up a new GBC 9 personal desktop laminator and tried some boards with no luck. I m using a 4 x 6 board with 1 oz. copper and it has a thickness of
Re: THRU HOLE PLATEING
2008-02-10 by tsescrl
Hello Markus, The Diazo film from zwitserland is FOLEX type DENSOTRANS http://www.folex.ch/index.php? cat=21&sid=9aaecd1adb9906cfcd05c7d36d21acb0 Go to
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-02-10 by Markus Zingg
Daniel, My site was hosted on a server of my former provider, that was the reason why it s no longer online. Then, I meanwhile have re-constructed the station
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-02-10 by Markus Zingg
Suske, I m glad to hear that my tip getting in touch with a local board shop also payed off for you. I can only encureage others to do the same thing. Markus
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-02-10 by Markus Zingg
Patrick, I m in the lucky position that I can get chemistry from ROHM&HAAS through a local board house kind enough to give away small quantities (ok, I have to
Re: THRU HOLE PLATEING
2008-02-10 by dandumit
Patrick, thank you for this precise and good informations ! Please keep doing this. Next week I will go to a local distributor for chemicals to build first
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-02-09 by _bojan_
Hi to all of you, This is an eruption of very very useful information and tank you all.:) Yesterday I visit an board house and man who is boss there, promise
Re: THRU HOLE PLATEING
2008-02-08 by tsescrl
Hello, Thanks for beer, here in Belgium we love beer... You pupose a transparent spray for paper, wy not. But, for photoresist, is necesary you expose with
Re: THRU HOLE PLATEING
2008-02-08 by dandumit
Patrick and Markus, THANK YOU ! I am following this group for more than one year but your revealings shared here it is the first professional information that
Re: [Homebrew_PCBs] Use Laser Diode to melt toner
2008-02-08 by Harvey White
... Possibly, but: 1) static charge on a solid metal object accumulates at the edges. Getting a decent coat would be difficult. 2) the laser diode would have
Re: OT - Kind of: Articles for News Group
2008-02-08 by Jawa Lunk
The question that was asked about the project was sent as a forward, so when I replied I went to the bottom and hit reply via webpost without realizing it was
Re: [Homebrew_PCBs] Re: OT - Kind of: Articles for News Group
2008-02-08 by Stefan Trethan
I was not completely serious. I do not see the question to which you answered, and it looked a bit suspect, is all. ST
Re: OT - Kind of: Articles for News Group
2008-02-08 by Jawa Lunk
It was an answer to a question. And it wasn t really spam, I am looking for someone to write articles about what is going on here and the latest news about
Re: [Homebrew_PCBs] Re: OT - Kind of: Articles for News Group
2008-02-08 by Stefan Trethan
Why all the spam these days? ;-)
Re: OT - Kind of: Articles for News Group
2008-02-08 by Jawa Lunk
I would love engineering issues and news, along with the latest on any tech topic including Wall-E. But if you have a SPECIFIC topic you would like to author,
Use Laser Diode to melt toner
2008-02-08 by Brian Gracia
Hello Everyone, I lurk and learn, but today, I just had to ask a question. I subscribe to http://www.instructables.com/ . Today I came across someone who
Re: THRU HOLE PLATEING
2008-02-07 by tsescrl
Ok Markus, All i have describe is an industry process but perhaps you can apply somme partial to your labo for electronic developement. No, we d ont use two
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-02-07 by Markus Zingg
Patrick, First off, your english is better than my french :-) Many thanks for taking the effort! Thanks for the insight here. I m lucky enough to have
OT - Kind of: Articles for News Group
2008-02-07 by Jawa Lunk
Greetings all. I am working on a website that brings builders, programmers, designers, electronics wizards and such all together in one place to network with
Re: THRU HOLE PLATEING
2008-02-07 by tsescrl
Markus, I appreciate your reflexion for copper electroiltic bath. For me, English is not simple... Yes, this is a problem to obtain a good result in small
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-02-07 by Markus Zingg
Patrick, Your input is highly apreciated. However, I made the experience that wiht the very small tanks I use (remember, 4 liters for the copper solution, 2
Re: THRU HOLE PLATEING
2008-02-07 by tsescrl
Hello, For Anodes copper, very necesary use PHOSPHORIC COPPER For me, after 20 year using electrolitic copper bath, is no heating, to min 15° centigrade.
Re: Photoresit pictures
2008-02-07 by Ray
what company makes the photoresist I purchased the photoresist from thinktink.com, but the smallest amount they sell is in 80 foot rolls. Phil, If you ask
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-02-07 by Markus Zingg
Hi Suske, I obviousely don t care too much from where you get the chemistry as long as it hopefully works out well for you :-). In other words, I apreciate the
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-02-07 by _bojan_
Hi Markus, Thanks a lot for your writing. Another detail ar fluid heating. Bungard use PTFE plated large area heaters. What did you use for fluids heating