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Re: [Fwd: RE: [Fwd: RE: Straw tubes]]



Thanks Beni -

   I was in the process if googling  Mauro when you sent your email.

  cheers - curtis


Beni Zihlmann wrote:
> Hi Tim,
> thank you. I sent an email to Mauro Savrie in Ferrara.
> I hope I get an answer by tomorrow.
>
> cheers,
> Beni
>
>> Hi Curtis,
>>
>> Below is the contact for the place in Italy that used the 300 
>> angstrom aluminum on mylar. Also, I have received a piece of this 
>> tape. Who would like it?
>>
>> Tim
>>
>> -------- Original Message --------
>> Subject:     RE: [Fwd: RE: Straw tubes]
>> Date:     Tue, 16 Jun 2009 14:18:30 +0100
>> From:     Patrick Hester <Patrick.Hester@lamina.uk.com>
>> To:     Tim Whitlatch <whitey@jlab.org>
>> CC:     Patrick Clayton <Patrick.Clayton@lamina.uk.com>
>> References:     <4A378AC2.7040401@jlab.org>
>>
>>
>>
>> Tim,
>>  
>> I have noted that in your specification there is mention of Kapton in 
>> para 1.0 and polyimide in Para 2.1.1. The Kapton is generally chosen 
>> if there is a requirement for radiation resistance and a high 
>> temperature dimensional stability, but we have made many polyester 
>> straw tubes also.
>>  
>> I have traced the polyester with a deposit of 300 angstroms of Al  
>> The tubes had inner and outer deposits of Al and were supplied to Mr  
>> Mauro Savrie at INFN Sezione di Ferrara, Via Saragat, 1 Edificio C, 
>> 144100 Ferrara, Italy.e-mail savrie@fe.infn.it 
>> <mailto:savrie@fe.infn.it> telephone Italy 39 05329 74211. Infn have 
>> had several lots of these tubes with wall thickness of 0.030 mm. The 
>> thin wall sometime will have a slight but small flat caused by 
>> handling but this is not apparent after they have been gas filled.
>>  
>> I will come back to you on the Al laminate as soon as I have 
>> sufficient details from the supplier. Another popular inner layer is 
>> the conductive Kapton XC sometimes with an Al deposit on the inner 
>> surface.. I hope all this is helpful and not confusing. Kind regards. 
>> Patrick Hester,
>>  
>>  
>>  
>>
>> ------------------------------------------------------------------------
>>
>>
>


-- 
Prof. Curtis A. Meyer		Department of Physics
Phone:	(412) 268-2745		Carnegie Mellon University
Fax:	(412) 681-0648		Pittsburgh PA 15213-3890 
cmeyer@ernest.phys.cmu.edu		http://www.curtismeyer.com/