Hello,
How about the three rod holder Markus Z uses in his THP setup? That
seems to me to be a really great design...
Hope this helps,
Ballendo
--- In
Homebrew_PCBs@yahoogroups.com, Stefan Trethan
<stefan_trethan@g...> wrote:
> hi again...
>
> at <http://www.electronics.dit.ie/techprocs/p_c_b.htm>
> you can see a pcb holder like bungard makes them.
>
> (Please not that this page may contain pictures which are
> not suited for people with a strong inclination to tidiness.
> if you can't cope with some mess don't look ;-) )
>
> well, for those with a strong stomach you have seen the pcb holder.
> (in the pictures in the middle, under the crust of FeCl)
>
> what about removing the screws on the sides, and replacing them
> by a plastic rod in the middle up through the top. the upper
> bar holding the pcb could then be moved by sliding the rod.
> some bracing would be needed to keep the bar parallel bat that's no
> problem.
> one could add a screw on top to fix the rod.
>
> I think if one makes a vertical tank with a step on the side to
rest the
> holder
> one could put in and take out a pcb with only two hands, not three.
> right hand holds the frame on a handle and moves the rod (you have
5
> fingers)
> and the left hand operates the pcb with tweezers...
>
> this would mean the holder stays above the etchant container all
the time,
> the occassional
> drop well aimed back into the container.
> the holder also would have a plate on top which forms the lid for
keeping
> in the fumes
> when it is immersed (and stored).
> i reckon the rod which moves the bar can be sealed off enough to
prevent
> air exchange.
>
>
> Any good ideas welcome...
>
> I'm rather disappointed that my new tank is not at all what i
expected,
> after
> all it was a lot of work and time going into it (epsecially in two
> screws.....)
> It is working - but cumbersome....
>
> ST