My first post here in this fascinating group :)
The trick I use for repairing the finest of damaged traces, involves
using conductive paint.
This is usually quite expensive to purhase as a generic product
through electronics outlets, but can be obtained from most car
parts shops as 'windscreen/windshield heater repair paint'.
Acurately position 2 lengths of low-tack MASKING tape, either side of
the broken track. Press in place firmly. Using a small fine brush,
paint over the broken track (don't 'blob' the paint - thinner is
better). It dries very quickly, so you can remove the tape after only
a minute.
Masking tape is preferable to clear sellotape, as it absorbs all of
the excess paint and prevents any 'fringing' at the edges.
Having a very low resistance of typically <0.1 ohm / inch, it will
carry heavy currents and makes a excellent permanant repair !
Richard
--- In
Homebrew_PCBs@yahoogroups.com, "lcdpublishing"
<lcdpublishing@y...> wrote:
>
> Never being one to assume I do everything just "oh so perfect", I
> looked over the traces with a glass to see if there are any breaks -
> sure enough, I have 5 broken traces on one board - the other two
are A-
> okay from what I can see.
>
> These are tiny, .010" wide traces running parallel to other traces
or
> a ground plane. The few times in the past I have hed to do repairs
> such as this, I simply laid a piece of thin wire along side the
trace
> and hit it with the soldering pen - worked okay.
>
> This time, there isn't enough room to that. I know I could run
> jumpers and bypass the trace but I am guessing you guys got some
> tricks on how to do such a repair so that it looks good in the
end.
>
> So, lesson #643 for me, any givers out there willing to share a few
> tricks?
>
> Chris
>