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

[Beni Zihlmann <zihlmann@jlab.org>]

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,
>  
>  
>  
>
> ------------------------------------------------------------------------
>
>