[sdiy] Acrylic coating on PCBs

[Theo]

Take special care for pots and switches when you spray afterwards!.
Theo

From: <sasami at blaze.net.au>


> If the acrylic is of the "solder through' type, spray it on 
> before you assemble the board. That way, none of the spray 
> will get on components. If you have to do it after assembly, 
> make sure there are no holes through which the spray could 
> go. Good solder joints should be filling most of the holes. 
> block the rest as appropriate.
> 
> Ken
> 
> 
> >Hi list,
> >
> >For my TR909 clone project I've assembled two PCBs that 
> contain all of the
> >drum voice circuits. The boards do not have any protective 
> coating (i.e. the
> >tracks have just been plated and that's it) and I therefore 
> wish to protect
> >the tracks from oxidisation etc. I have some acrylic spray 
> coating which is
> >intended for protecting boards. Any thoughts as to whether 
> or not this is
> >good stuff to use? Apparently this coating can start to 
> form a yellow
> >appearance after a period of time, and possibly cause 
> problems with IC
> >sockets and other mechanical components. I'm not really 
> bothered about
> >keeping the boards working forever as I intend to get some 
> better ones done
> >'sometime' :) . Just want a short term solution.  Thoughts?
> >
> >~ Trev
> >
> >
> >
> >
> >==========
> >
>