[Halld-tracking-hw] CDC straw tubes
Curtis A. Meyer
cmeyer at ernest.phys.cmu.edu
Tue Jan 11 11:02:35 EST 2011
Hi Tim -
We have installed and/or prepped 670 and have about 1100 more that
we can use. At
outside, I think that we run out in about 12 weeks, and probably sooner
than that.
Curtis
On 1/11/11 10:24 AM, Tim Whitlatch wrote:
> Hi Curtis,
>
> I had spoken with Patrick Hester from Lamina this morning.
> He is having trouble with the supplier of the aluminized mylar in that
> they will not guarantee the aluminum thickness to be 300A or thicker
> (max 110 ohms over the straw length).
> Therefore he has no date to deliver planned as of yet. He is working
> on this.
>
> He stated that there were some straws in the batch that had the lower
> resistance.
> I asked him to have them checked and see how many can pass.
> If there is a significant number (100s) I will ask him to send those.
> This can keep us moving when the existing stock is completed.
>
> Curtis, when do you anticipate using up all the straws you currently
> have?
>
> Cheers,
>
> Tim
--
Prof. Curtis A. Meyer Department of Physics
Phone: (412) 268-2745 Carnegie Mellon University
Fax: (412) 681-0648 Pittsburgh PA 15213-3890
cmeyer at ernest.phys.cmu.edu http://www.curtismeyer.com/
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