The same here....
It's normally not coming off by peelig from FR4 you will have to etch.
Get yourself some muratic acid and H2O2 and then etch the boards.
I always do chemical etching so it is no problem.
try to heat the board with the heat gun and peel the copper of, maybe it
works.
ST
On Mon, 22 Mar 2004 06:31:58 -0000, Dave Mucha <
dave_mucha@...>
wrote:
> Hi all,
>
> I have a few sheets of 90 mil FR-4, (red imprint) that is double
> sided.
>
> I need to do a lot of 1 sided boards and instead of ordering one
> sided, I think I'll just etch one side of these to use the boards.
>
> Anyway, I mechanically etch boards so I need to remove the copper in
> wholesale fashion and have no chemicals to do so.
>
> To make matters worse, the boards are 10 x 18.
>
> What is the simplest, lowest cost method to remove one side of the
> copper ?
>
> Also, I assume something like car or floor wax might make it easy to
> add to the good side as a resist, but suggestions are welcome.
>
>
> Dave
> (I'm in southern NJ if someone wants to trade for some SS 1/16
> material.)
>
>
>
>
>
>
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