[Halld-cal] Fwd: Additional BCAL readout layer (from Fernando)

[Zisis Papandreou]

Very good news!!!  It gives us flexibility and some breathing room on the timetable, before finalizing the decision on the readout segmentation.  My appreciation to Fernando for the effort in undertaking this re-arrangement.

Cheers, Zisis...


On 2011-09-07, at 6:03 AM, Elton Smith wrote:

> 
> 
> -------- Original Message --------
> Subject:	Additional BCAL readout layer
> Date:	Wed, 07 Sep 2011 01:26:09 -0400
> From:	Fernando J. Barbosa <barbosa at jlab.org>
> To:	Elton Smith <elton at jlab.org>
> CC:	Fernando J. Barbosa <barbosa at jlab.org>, Eugene Chudakov <gen at jlab.org>, Jim Fochtman <fochtman at jlab.org>
> 
> Hi Elton,
> 
> The additional readout layer (1-2-3-4 compared to the old 3-3-4) fits on 
> the board. The layout is tight on the inner section of the PCB but this 
> was expected.
> 
> The other good news is that I went ahead and performed the layout of 
> most of the board as this was necessary to fully determine the impact of 
> this addition. All the components had to be re-arranged due to this 
> addition and to the new cold plate/light guide and U-board cable assembly.
> 
> Best regards,
> Fernando
> 
> 
> 
> 
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---
Prof. Zisis Papandreou, Ph.D., P.Phys.
Department of Physics   |  tel.: 	(306) 585-5379
University of Regina	    |  fax.: 	(306) 585-5659
Regina, SK  S4S 0A2	    |  email:  zisis at uregina.ca
Web:  http://web.me.com/zisis/professional/






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