[Tpe] TPE Mini Torus Shielding

[David Kashy]

Hi All,
Attached is a pdf file of my concept for the shield.

I'll describe it here

There is are two different stainless steel tubes that are connected by a 
plate. The smaller tube goes through the bore of the Mini T. The larger 
tube is is nearest the target.
There is a machined piece of lead that surrounds the larger tube and 
goes after the stainless plate too. The lead down stream of the cone 
between the Mini T coils will be cut to fit by hand. It will be held in 
place by 1/8" thick aluminum plates (likely screwed into the lead).
One new idea is to put a ring on the inside of the large Stainless tube 
to modify the shower that would have been created by the stainless steel 
plate. It could be tungsten or aluminum or lead. the last piece is an 
aluminum centering tube at the down stream end of the mini Torus.

Again we need to get going on this procurement ASAP so please let me 
know when you decide if you like this design and if you can whether of 
not we want that insert and if so what material would be best.

Thanks
Dave

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