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[Maowu Nie <nie AT rcf.rhic.bnl.gov>]

Hi Flemming and all,

We just contacted the vendor, but they had no idea about the fraction of 
Cu by weight of the hybrid.
Since each Cu layer is about 18um, based on the hybrid design, Jianing 
roughly estimated the total weight of Cu(with rho_Cu = 8.9g/cm^3).
The total weight of Cu is 1.9g for inner and 1.26g for outer.
I need to point out it is just a theoretical estimation.
Hope it helps.

Regards,
Maowu & Jianing


在 2020-10-20 19:41，videbaek 写道：
> Hi Yi,
>
> Good so amount of Kapton is less than this. Do you or anyone else know 
> the
> fraction of Cu by weight of the hybrids.
>
> best
> Flemming
>
> On 2020-10-20 03:24, Yi Yang wrote:
> > Hi all,
> >
> > Each set of hybrids (inner + outer) is 13 g, so the total weight of
> > hybrids is 13*12*3 g = 468 g.
> >
> > Regarding the integrity test for the soft tube, my colleague from the
> > mechanical engineering department will try to do the pull test first
> > and we will keep you updated.
> >
> > Cheers,
> > Yi
> >
> > Ye, Zhenyu <yezhenyu AT uic.edu>於 2020年10月20日
> > 週二，上午3:55寫道：
> >
> > > Below is the homework from the meeting:
> > >
> > > 1. What is the total weight of the kapton in the detector?
> > > -> Yi will measure the weight of the hybrids
> > >
> > > 2. Will the cooling soft tube maintain its integrity (compatibility
> > > with NOVEC, no breaking under pressure) after radiation and
> > > temperature variation?
> > > -> Yi will discuss with AIDC/Rahul. One possibility is to measure
> > > the burst pressure after irradiation (need to find a facility/setup
> > > that can measure the burst pressure). Another possibility is to
> > > connect a tube after irradiation to the cooling system under test at
> > > BNL (Yi will check with Rahul).
> > >
> > > Zhenyu
> > >
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