[Clas12_rich] CMM measurements for new RICH mirrors on Aug 8.

Tyler Lemon tlemon at jlab.org
Thu Aug 4 13:24:21 EDT 2016


Dear Jim, 

Would we be able to get the CMM measurements done for four RICH mirrors on the afternoon of Monday August 8th and morning of Tuesday August 9? We will most likely only have four mirrors that would need to be measured at that time. As I mentioned in my email before, we are only taking measurements of only the edges of the mirror and back surface. If it would be best to do all four mirrors on the same day, all day Tuesday August 9th would be fine for the measurements. 

Best regards, 
Tyler 



From: "Jim Dahlberg" <dahlberg at jlab.org> 
To: "Tyler Lemon" <tlemon at jlab.org>, "clas12 rich" <clas12_rich at jlab.org> 
Cc: "Patrizia Rossi" <rossi at jlab.org> 
Sent: Friday, July 29, 2016 1:39:36 PM 
Subject: Re: CMM measurements for six additional RICH mirrors 

No problem 
On 7/29/2016 12:36 PM, Tyler Lemon wrote: 
> Dear Jim, 
> 
> We have six more RICH mirrors that will be delivered soon that need measuring using the CMM. Would the CMM be available for the measurements for these mirrors around August 8? For the measurements, we are are planning to do the measurements of only the edges and corners of the mirror surface and the back surface. 
> 
> Please let us know. Thank you in advance. 
> 
> Best regards, 
> Tyler Lemon 
> Detector Support Group 
> 
> 
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