Star-fst-l mailing list

["Ye, Zhenyu" <yezhenyu AT uic.edu>]

************************************************************ 
Mechanical structures - Yi
************************************************************ 
-> expect to deliver two MS to UIC in the 1st week of May 

Should be 1st week of June

> On Apr 24, 2020, at 7:05 PM, Ye, Zhenyu <yezhenyu AT uic.edu> wrote:
> 
> Attendees: Daniel, Han-Sheng, Jianing, John, Krishan, Maowu, Mike, Rahul, 
> Te-Chuan, Xu, Yi, Yu, Zhenyu
> 
> ************************************************************ 
> Follow-up on action items from previous work
> ************************************************************ 
> 1) Provide a detailed document of the procedure and requirements of gluing 
> hybrids onto MS - Yi/Han-Sheng 
> -> can only write down the concept at the moment, can not write down the 
> step-by-step procedure w/o practicing 
> 
> 2) SDU measure hybrid flatness and dimensions - Jianing/Maowu
> -> See presentation today
> 
> 3) New hybrid design for mounting hybrid Plan B - Jianing/Maowu/Yi
> -> See presentation today 
> 
> 4) Send Rahul the weights of the disks - Yi
> -> Will send Rahul and John densities of the materials so that they can put 
> in the model (done)
> 
> 5) Order more connectors for hybrids - Yi
> -> have sent the request to sales of agenda for ordering 20 connectors. 
> Will follow up tomorrow 
> 
> 6) UIC send a T-board and cable to NCKU to check if there is any conflict 
> with the MS - Zhenyu 
> -> will do when campus is reopen 
> 
> 7) Studying the tracking performance by varying the Z-locations of FST 
> disks, and number of r/phi segments - Krishan/Daniel
> -> Daniel will give a presentation tomorrow on Z-locations tomorrow
> -> Krishan is studying charge-identification and momentum resolution for 
> varying 20 um and 1mm PV resolution, 
> 
> ************************************************************ 
> Integration - Rahul 
> ************************************************************ 
> -> no major update, but will update the model after studies from Daniel on 
> Z-locations
> -> new designer started working today
> 
> ************************************************************ 
> Mechanical structures - Yi
> ************************************************************ 
> -> expect to deliver two MS to UIC in the 1st week of May 
> -> new assistant will start working at NTU this week for 1-2 weeks, will 
> get familiar with Labview program to control the machine, study hybrid 
> injection pattern with plastic films
> -> has a contact in place with a company to measure the surface flatness 
> and being parallel between inner-outer sectors, before and after glueing 
> hybrids and inner-outer together. The company is design jig for the 
> measurements. They will use optical gauge machine, but also mechanical 
> gauge machine.The number of measurement points are under discussion now.  
> Will provide document and share the info with the group
> 
> ************************************************************ 
> Hybrid 
> ************************************************************ 
> -> Will contact the company to find out how they will fix the hybrid and 
> measure its flatness and thickness. May send some hybrids to the company so 
> that they can give such info. 
> -> The company will also measure the relative positions of APV pads w.r.t. 
> reference vias 
> 
> -> Modified hybrid design by adding extra structures with holes for Plan B 
> of gluing hybrids onto MS
> -> After approval by the group will take 4 weeks for production 
> -> need to hear Plan B from Yi before moving forward
> 
> 
> ************************************************************ 
> Action items
> ************************************************************ 
> 1) Document the procedure and requirements of gluing hybrids onto MS for 
> Plan A at NTU - Yi/Han-Sheng 
> 2) Document the procedure and requirements of gluing hybrids onto MS for 
> Plan B by AIDC. This is needed before new hybrid production - Yi/Han-Sheng 
> 3) Document on how/where the company would measure the surface flatness and 
> being parallel between inner-outer sectors, before and after glueing 
> hybrids and inner-outer sectors together - Yi/Han-Sheng
> 4) Find out how the company would fix the hybrid and measure its flatness 
> and thickness - Jianing/Maowu
> 5) UIC send a T-board and cable to NCKU to check if there is any conflict 
> with the MS - Zhenyu 
> 6) Studying the tracking performance by varying the Z-locations of FST 
> disks, and number of r/phi segments - Krishan/Daniel
> 
>> On Apr 18, 2020, at 12:26 PM, Ye, Zhenyu <yezhenyu AT uic.edu> wrote:
>> 
>> Dear all, 
>> 
>> We will have the Weekly FST meeting on Monday starting at 9am EST (BNL 
>> local time). 
>> 
>> Bluejeans Meeting URL https://bluejeans.com/101020434
>> Meeting ID: 101 020 434
>> 
>> https://drupal.star.bnl.gov/STAR/event/2020/04/20/fst-group-meeting
>> 
>> Tentative meeting agenda:
>> 
>> 0. follow-ups on the action items from last week (see *** below)
>> 1. Integration                                                             
>>          by Rahul Sharma, John Scheblein 
>> 2. Mechanical structure                                                  
>> by Yi Yang, Han-Sheng Li 
>> 3. Prototype Module Assembly and Test                        by Xu Sun
>> 4. Tracking Studies                                                        
>>  by Krishan Gopal, Daniel Brandenburg 
>> 
>> *** Action items from previous weeks ***
>> 1) Provide a detailed document of the procedure and requirements of gluing 
>> hybrids onto MS - Yi/Han-Sheng 
>> 2) SDU measure hybrid flatness and dimensions - Jianing/Maowu
>> 3) New hybrid design for mounting hybrids - Yi/Jianing/Yi
>> 4) Send Rahul the weights of the disks - Yi
>> 5) Order more connectors for hybrids - Yi
>> 6) UIC send a T-board and cable to NCKU to check if there is any conflict 
>> with the MS - Zhenyu 
>> 7) Studying the tracking performance by varying the Z-locations of FST 
>> disks, and number of r/phi segments - Krishan/Daniel
>> 
>> Best,
>> Zhenyu
>> _______________________________________________
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>