Re: Darkroom Design

[Tim Whitlatch <whitey@jlab.org>]

Hi Matt,

I believe this is a good idea. The design of the glass support frame has 
not been further developed from last year. If your prototype array shows 
that the concept is good, we can finalize that. I believe it is a good 
starting point as is for the dark room design. We are not working on 
this so it will be great for you guys to pursue this.

Cheers,

       Tim

Matthew Shepherd wrote:
>
> Hi Elke and Tim,
>
> We've made a lot of progress on both the glass holding structure and 
> PMT coupling for the FCAL.  I would imagine we should start to design 
> the full enclosure for the detector itself.  This will need to be 
> light tight, allow access to the PMT, have a beam exit, be well 
> ventilated, etc.  As far as I understand it, in the drawings this just 
> appears as a featureless box.  For E852 an actual darkroom was built.  
> This had a door like that used in photography darkrooms and light 
> traps for all of the cables.  We can start by trying to design 
> something like this.  Probably the way to do this is to take the CAD 
> model of the platform and glass support and then start designing 
> around that.  Before we begin on this, I just wanted to make sure that 
> we are headed in right general direction and we are not duplicating 
> work that is going on at the lab.
>
> Cheers,
>
> Matt
>
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