Hi
Maybe you can join today 6pm UTC on our Mumble server murmur.libresilicon.com
and we can discuss where to best place the airlock and how to build it the
easiest and cheapest way?

Cheers
-lev

On Sunday, April 11, 2021 8:17:01 AM WEST Martin Geisse wrote:
> Hi David,
>
> some ideas / questions:
> > I was thinking about using sheet metal for everything
>
> Pardon my ignorance, but how are you going to see what you are doing in
> there? Did you mean that one side is still acrylic? Front or top?
>
> > airlock
>
> If this is on the side wall, then it is probably hard to reach with your
> hands. On the other hand, the back wall (opposite of the gloves) is the
> most precious space you have and "wasting" it for the airlock is not good
> either...
>
> A quick idea would be to attach the airlock at the bottom, with the outer
> door facing towards you and the inner door being a "trap door" in the
> bottom of the box.
>
> > tools
>
> If everything happens inside the box, space is even more precious. You'll
> need storage for the materials and chemicals, illumination stage, hot
> plate, spin coater, furnace, ... A rotating shelf on the back side might be
> a solution for that.
>
> OTOH, an unsolved problem is be what the residual heat of the furnace is
> going to do to the acrylic box...
>
> > gloves
>
> Gloves always bring the danger of trapping hazardous chemicals *inside*,
> right next to your hands. You'll probably need a material that withstands
> *all* of those chemicals, otherwise you might have the piranha etch make
> the gloves porous and then HF leak through them... A simple warning not to
> spill anything over the gloves is probably not enough because these things
> just happen anyway.
>
> Greetings,
> Martin
>
>
>
> On Sat, Apr 10, 2021 at 11:33 PM David Lanzendörfer <
>
> leviathan@libresilicon.com> wrote:
> > Hi
> > I was thinking about using sheet metal for everything which doesn't need
> > to be
> > transparent (even cheaper than acrylic glas).
> > For the airlock I was figuring I could do a cut out like in the attached
> > screen and fold it, then either weld or screw an aluminum box made from
> > folded
> > sheet metal as well.
> >
> > What do you think?
> >
> > Cheers
> > -lev_______________________________________________
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