Star-fst-l mailing list

[Yi Yang <yiyang AT ncku.edu.tw>]

Hi Maowu,

Thanks a lot.

Cheers,

Yi

+++++++++++++++++++++++++++++++++++++++++++++++++++
Yi Yang, Associate Professor
Department of Physics
National Cheng Kung University
Tainan, 701 Taiwan
E-Mail: yiyang AT ncku.edu.tw
Tel: +886-6-2757575 ext.65237
Fax: +886-6-2747995
Group Web: http://phys.ncku.edu.tw/~yiyang
+++++++++++++++++++++++++++++++++++++++++++++++++++

On Thu, May 28, 2020 at 12:33 PM nie <nie AT rcf.rhic.bnl.gov> wrote:

Hi Yi,

We just sent two female connectors for T-board to you. The DHL tracking
number is 1135665226.

Regards,
Maowu & Jianing


在 2020-05-28 09:21，Yi Yang 写道：
> Dear Mike,
>
> Sorry for the delayed reply and thanks a lot for offering to send them
> to us.
> I think we can wait for one or two days and see the status of
> Jianing's shipment. If it really got stuck at customs, I will let you
> know.
>
> Cheers,
> Yi
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++
> Yi Yang, Associate Professor
> Department of Physics
> National Cheng Kung University
> Tainan, 701 Taiwan
> E-Mail: yiyang AT ncku.edu.tw
> Tel: +886-6-2757575 ext.65237
> Fax: +886-6-2747995
> Group Web: http://phys.ncku.edu.tw/~yiyang [4]
> +++++++++++++++++++++++++++++++++++++++++++++++++++
>
> On Wed, May 27, 2020 at 7:05 PM Capotosto, Michael <capotosto AT bnl.gov>
> wrote:
>
>> Hey Yi, Zhenyu,
>>
>> I do believe that we have a handful of spare male connectors from
>> the V2.1 T-Boards at BNL (I believe these just have a different
>> jackscrew/captive screw). Would these work for your tests? I have to
>> head in to the lab today, if you’d like I can package and drop off
>> a few of these with shipping and receiving. I’m not sure if
>> they’d reach you any quicker.
>>
>> --Mike Capotosto
>>
>> From: Star-fst-l <star-fst-l-bounces AT lists.bnl.gov> On Behalf Of Yi
>> Yang
>> Sent: Tuesday, May 26, 2020 11:59 PM
>> To: Ye, Zhenyu <yezhenyu AT uic.edu>
>> Cc: star-fst-l AT lists.bnl.gov
>> Subject: Re: [Star-fst-l] Weekly FST meeting, May 25 9am (BNL time)
>>
>> Hi Zhenyu,
>>
>> Regarding the "5) Will do electrical tests after the connector is
>> soldered onto the hybrid. Zhenyu recommends to do it after plugging
>> and unplugging the male connectors to make sure the soldering is
>> robust. Yi is not sure if he has male connectors. Maowu will check
>> if SDU has male connectors and if so send to Yi"
>>
>> Two sets of hybrids are passed the electrical tests today.
>>
>> Jianing confirmed that I did send all my male connectors to her
>> before and she is going to send 2 connectors to me today.
>>
>> However, it might take several days to weeks to receive them (I am
>> not 100% sure whether we will have to wait for 14 days to receive
>> the package from China now). And we are planning to mount the
>> connector on the MS in the end of this week.
>>
>> So, I would propose to skip the plugging and unplugging test for
>> these prototypes since I think you want to test the inner sensor
>> asap. What do you think?
>>
>> Cheers,
>>
>> Yi
>>
>> +++++++++++++++++++++++++++++++++++++++++++++++++++
>> Yi Yang, Associate Professor
>> Department of Physics
>> National Cheng Kung University
>> Tainan, 701 Taiwan
>> E-Mail: yiyang AT ncku.edu.tw
>> Tel: +886-6-2757575 ext.65237
>> Fax: +886-6-2747995
>> Group Web: http://phys.ncku.edu.tw/~yiyang [3]
>> +++++++++++++++++++++++++++++++++++++++++++++++++++
>>
>> On Tue, May 26, 2020 at 1:43 AM Ye, Zhenyu <yezhenyu AT uic.edu> wrote:
>>
>>
>>> Felix, Krishan, Han-Sheng, Maowu, Pu-Kai, Shenghui, Te-Chuan, Xu,
>>> Yi, Zhenyu
>>>
>>> 1. Follow-up on action items from previous weeks
>>> 1) Integration: send an email with detailed questions to the list
>>> to collect information - Rahul/Felix
>>> 2) Document the procedure and requirements of gluing hybrids onto
>>> MS for Plan A at NTU - Yi/Han-Sheng
>>> -> the procedure is almost determined. will have the document
>>> ready next week
>>> 3) Look into radiation tolerance test of soft cooling tubes at
>>> STAR/Taiwan - Flemming/Yi
>>> -> tubes are being exposed to radiation. The total doses would be
>>> 1x and 5x of the ones in the proposal. Will repeat the measurement
>>> with NOVEC at NCKU after radiation.
>>> 4) Measuring hybrid flatness, thickness and dimensions -
>>> Maowu/Jianing
>>> -> see below
>>> 5)) UIC send a T-board and cable to NCKU to check if there is any
>>> conflict with the MS - Zhenyu
>>> 6) Looking into alternative clustering algorithm to improve
>>> matching efficiency - Xu
>>> 7) Tune the timing setting for ADC sampling - Gerard/Xu
>>> -> see below
>>> 8) Studying the tracking performance by varying the Z-locations of
>>> FST disks, and number of r/phi segments - Daniel/Krishan
>>> -> see below
>>> 9) Looking into FST simulation and track reconstruction to compare
>>> 300 vs 500 micron thick sensors - Shenghui
>>>
>>> 2. Integration - Felix
>>> Working on changing the Z-locations of FST disks
>>>
>>> 3. Simulation - Krishan
>>> Has obtained momentum resolution, but it is different than
>>> Daniel’s. Will check with Daniel. Have results for different
>>> numbers of r- and phi-segments.
>>>
>>> 4. Hybrid - Maowu
>>> 1) Measured the flatness of two sets of hybrids (1 from old and 1
>>> from new vendor). The maximum deviation of thickness is less than
>>> 18 (7) microns for old (new) vendor.
>>> 2) Measured relative positions of bonding pads w.r.t. the center
>>> of VIA-A, which would be used as one of the two reference points
>>> on the hybrid when gluing the hybrid onto the mechanical
>>> structure. The shifts from the design in the direction
>>> perpendicular to wire-bond are between (+20, +60) microns.
>>> * Action item - Maowu: add the absolute differences in the excel
>>> file. Find out the design value of the distance between the two
>>> reference VIAs on the hybrids.
>>> * Action item - question for Yi: There are two VIAs that would be
>>> used as reference points on the hybrid when gluing the hybrid onto
>>> the mechanical structure. The rotation is determined by the line
>>> connecting the centers of the two vias. Which point will be used
>>> to determine the position of the hybrid?
>>>
>>> 5. Prototype module test - Xu
>>> Has found and used the code to tune the setting for ADC timing for
>>> FST. Will check with Gerard about the results
>>>
>>> Mechanical structure - Yi
>>> 1) glued one hybrid onto MS. Good in general by eye. There are a
>>> few places that need to improve. Will try to address them and
>>> start gluing hybrids onto a good MS this Thursday/Friday, and glue
>>> the inner/outer sections together.
>>> 2) Will measure the distance between the centers of the two
>>> reference VIAs on the hybrid and compare to the design values from
>>> Maowu. Will measure the relative positions of the two reference
>>> VIAs w.r.t. pins in the MS.
>>> 4) Will measure the surface flatness of the MS before and after
>>> gluing the hybrids
>>> 5) Will do electrical tests after the connector is soldered onto
>>> the hybrid. Zhenyu recommends to do it after plugging and
>>> unplugging the male connectors to make sure the soldering is
>>> robust. Yi is not sure if he has male connectors. Maowu will check
>>> if SDU has male connectors and if so send to Yi
>>>
>>> *** Action items ***
>>> 1) Integration: send an email with detailed questions to the list
>>> to collect information - Rahul/Felix
>>> 2) Document the procedure and requirements of gluing hybrids onto
>>> MS for Plan A at NTU - Yi/Han-Sheng
>>> 3) Look into radiation tolerance test of soft cooling tubes at
>>> STAR/Taiwan - Flemming/Yi
>>> 4) Measuring hybrid flatness, thickness and dimensions -
>>> Maowu/Jianing
>>> 5)) UIC send a T-board and cable to NCKU to check if there is any
>>> conflict with the MS - Zhenyu
>>> 6) Looking into alternative clustering algorithm to improve
>>> matching efficiency - Xu
>>> 7) Tune the timing setting for ADC sampling - Gerard/Xu
>>> 8) Studying the tracking performance by varying the Z-locations of
>>> FST disks, and number of r/phi segments - Daniel/Krishan
>>> 9) Looking into FST simulation and track reconstruction to compare
>>> 300 vs 500 micron thick sensors - Shenghui
>>>
>>>> On May 21, 2020, at 10:07 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 [1]
>>>> Meeting ID: 101 020 434
>>>>
>>>>
>>>
>>
> https://drupal.star.bnl.gov/STAR/event/2020/05/25/star-forward-silicon-tracker-meeting
>>> [2]
>>>>
>>>> Tentative meeting agenda:
>>>>
>>>> 0. follow-ups on the action items from last week (see *** below)
>>>> 1. Testing Prototype at STAR During Shutdown           by
>>> Flemming Videbaek
>>>> 2. Tracking Studies
>>> by Daniel Brandenburg, Krishan Gopal
>>>> 3. Integration
>>> by Rahul Sharma, Felix Archampong
>>>> 4. Hybrid
>>> by Maowu Nie, Jianing Dong
>>>> 5. Mechanical structure
>>> by Yi Yang
>>>> 6. Prototype Module Test
>>> by Xu Sun
>>>> 7. Simulation Studies
>>> by Shenghui Zhang
>>>>
>>>> *** Action items from previous weeks ***
>>>>
>>>> 1) Integration: send an email with detailed questions to the
>>> list to collect information - Rahul/Felix
>>>> 2) Document the procedure and requirements of gluing hybrids
>>> onto MS for Plan A at NTU - Yi/Han-Sheng
>>>> 3) Look into radiation tolerance test of soft cooling tubes at
>>> STAR/Taiwan - Flemming/Yi
>>>> 4) Measuring hybrid flatness, thickness and dimensions -
>>> Maowu/Jianing
>>>> 5)) UIC send a T-board and cable to NCKU to check if there is
>>> any conflict with the MS - Zhenyu
>>>> 6) Looking into alternative clustering algorithm to improve
>>> matching efficiency - Xu
>>>> 7) Tune the timing setting for ADC sampling - Gerard/Xu
>>>> 8) Studying the tracking performance by varying the Z-locations
>>> of FST disks, and number of r/phi segments - Daniel/Krishan
>>>> 9) Looking into FST simulation and track reconstruction to
>>> compare 300 vs 500 micron thick sensors - Shenghui
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>>>
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>
>
> Links:
> ------
> [1] https://bluejeans.com/101020434
> [2]
> https://drupal.star.bnl.gov/STAR/event/2020/05/25/star-forward-silicon-tracker-meeting
> [3]
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> [4]
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