Homebrew PCBs

On Mon, 27 Jun 2005 18:36:17 +0200, lcdpublishing  
<lcdpublishing@...> wrote:

> Forgive me, I am sure this has already been discussed but...
> I don't know if air is required or not so keep that in mind.
> From the little I have read so far, you need agitation, not actually
> air.  Air is just a way of moving the liquid around for the
> agitation. It also seems that most of the rigs for this are vertical
> to accomodate the rising air.
> Would this work...
> A shallow, flat tank, sitting horizontal.  Across the center is a
> pivot point and at one end a very small, slow spinning gear motor
> with a cam on it. The cam rubs against the bottom causing the tank
> to rock back and forth.  This would cause the liguid to move back
> and forth in a wave motion.
> Adding a couple of standoffs to the circuit board before putting it
> in the solution could be used to keep the board off the bottom of
> the tank.
> If nothing else, it might be relaxing to watch it rock back and
> forth
> Chris


been there, done that, results uneven esp. 2-sided difficult.

thanks anyway.

ST