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Subject: RE: [Homebrew_PCBs] Re: more experiments with Toner transfer by etching the boards first

From: Bob Butcher <bbutcher85@...>
Date: 2016-01-26

--------------------------------------------
On Sun, 1/24/16, mistuff@... [Homebrew_PCBs] <Homebrew_PCBs@yahoogroups.com> wrote:

Subject: RE: [Homebrew_PCBs] Re: more experiments with Toner transfer by etching the boards first
To: Homebrew_PCBs@yahoogroups.com
Date: Sunday, January 24, 2016, 9:16 AM

Good information. I have tried many times to get thermal transfer to work with a Brother printer, but it seems the toner just does not want to melt like some other printers apparently do. I will try laquer thinner next time I make a board. I did see a post that pre-etching the board a few seconds helps with adhesion.

Bob
 









(pure) = shortcut notation that I did not modify it
by adding anything else. It is "acetone" (bought
in Homedepot paint department. It is not "nail polish
remover" which most likely contains acetone but my also
have other stuff in it.
I printed some text
on a sheet of paper using the Brothers printer. I then
deposited (in different spots) acetone, Isopropal alcohol,
Methal alcohol, MEK, Naptha, and Laquer thinner. At each
spot, I put a blank piece of paper and held it for about a
minute. The Laquer thinner location was the only spot in
which there was actually a transfer of print on to the blank
paper.

I didn't
perform any other test because I'm busy with other stuff
right now and I'm not experienced in using the chemical
transfer process. That is why I suggested that someone
already doing chemical transfer (and having a Brothers
printer) give this a try on PCB and tell us the results. I
have no idea how well this  transfer would stick to PCB for
etching.









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