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

Hi Maowu,

Thanks for looking into this option. I expected option 1 was impossible, so 
we will explore other options. 
Please go ahead with the T-board assembly.

Best,
Zhenyu 

> On Feb 23, 2021, at 3:51 AM, Maowu Nie <nie AT rcf.rhic.bnl.gov> wrote:
> 
> Hi Zhenyu,
> 
> We just got reply from the company, they don’t have any experience in 
> shortening the screws and there are also many potential risks that they 
> cannot afford.
> Option 2 or 3 might be safer at current stage.
> 
> Regards,
> Maowu & Jianing
> 
> 
> 在 2021-02-23 06:04，Ye, Zhenyu 写道：
>> Maowu, thanks for confirmation.
>> There might be one small issue. The screws of the connectors on the
>> T-board seem to be a little bit too long, so that it creates a small
>> conflict with the module peek mechanical structure (MS). See page 3 in
>> Xu’s presentation from last week’s FST meeting [1]. It seems to me
>> that one can still press the T-board to fasten with the MS through the
>> four corner holes. But the T-board and/or the MS has a tiny bend. As
>> this observation is not fully consistent with what Yi reported in [2],
>> I have asked Yi to check again.
>> If the answer is yes, I see 3 options
>> 1. Shorten the screws (I don’t think it is possible but Maowu please 
>> confirm)
>> 2. Leave as is
>> 3. Add a washer between T-board and MS
>> A related question for the group is whether we should use PEEK
>> screws/nuts to use to fasten T-board onto MS, as pointed out in Yi’s
>> slides. I don’t recall we have come to a conclusion at the meeting (?)
>> but we should decide soon.
>> Please comment.
>> Thanks,
>> Zhenyu
>> [1] 
>> https://urldefense.com/v3/__https://nam04.safelinks.protection.outlook.com/?url=https*3A*2F*2Fdrupal.star.bnl.gov*2FSTAR*2Fsystem*2Ffiles*2FFstModuleAssemblyFeb08Feb142021.pdf&amp;data=04*7C01*7Cyezhenyu*40uic.edu*7C9e270268ae9648307f7208d8d7e08c40*7Ce202cd477a564baa99e3e3b71a7c77dd*7C0*7C0*7C637496707179776432*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C1000&amp;sdata=ytonmI0GlgPJxpz04Si3By*2FGxmwUQLKns2LqBCY0*2B8c*3D&amp;reserved=0__;JSUlJSUlJSUlJSUlJSUlJSUlJSUlJQ!!P4SdNyxKAPE!Sj90hZAqOSJGGQXtDeL7geABGijvr_LW3M5xRPU3Ca-ddsVWpQST8ENe955T9Fvj8s1SeY8$
>>  
>> [2] 
>> https://urldefense.com/v3/__https://nam04.safelinks.protection.outlook.com/?url=https*3A*2F*2Fdrupal.star.bnl.gov*2FSTAR*2Fsystem*2Ffiles*2F20201123_FST_MS_YiYang.pdf&amp;data=04*7C01*7Cyezhenyu*40uic.edu*7C9e270268ae9648307f7208d8d7e08c40*7Ce202cd477a564baa99e3e3b71a7c77dd*7C0*7C0*7C637496707179776432*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C1000&amp;sdata=pgh*2FF7xF3SGMWON2AmY2K8QnOW4P2X*2FhXVwWzobftxM*3D&amp;reserved=0__;JSUlJSUlJSUlJSUlJSUlJSUlJSUlJQ!!P4SdNyxKAPE!Sj90hZAqOSJGGQXtDeL7geABGijvr_LW3M5xRPU3Ca-ddsVWpQST8ENe955T9FvjhsdqcDA$
>>  
>>> On Feb 22, 2021, at 3:21 PM, Maowu Nie <maowu.nie AT email.sdu.edu.cn> wrote:
>>> Hi Zhenyu,
>>> Thanks for the reminder, we will work on it.
>>> Regards,
>>> Maowu
>>>> On Feb 22, 2021, at 11:07 PM, Ye, Zhenyu <yezhenyu AT uic.edu> wrote:
>>>> Hi Maowu, Jianing,
>>>> We have tested the new T-boards/purple cables in the readout and found 
>>>> no problem.
>>>> Please go ahead with the T-board assembly and testing.
>>>> Best,
>>>> Zhenyu
>>>>> On Nov 11, 2020, at 4:12 AM, Maowu Nie <maowu.nie AT email.sdu.edu.cn> 
>>>>> wrote:
>>>>> Hi Mike and Yi,
>>>>> We just finished the QC test of the first 10 sets of T-board , and will 
>>>>> send them to you soon.
>>>>> Please confirm the following address for you is correct or not:
>>>>> 8 sets to Mike:
>>>>> Brookhaven National Laboratory, Shipping Department- Building 98 Upton, 
>>>>> NY 11973,
>>>>> Michael Capotosto, capotosto AT bnl.gov.
>>>>> 2 sets to Yi:
>>>>> No.1 University Rd., East District, Tainan City, 70101
>>>>> National Cheng Kung University, Department of Physics,
>>>>> Yi Yang
>>>>> One thing I need to mention to you, the nuts in the connector have the 
>>>>> shedding risk.
>>>>> So when you do installation, please make sure the screw is well 
>>>>> tightened.
>>>>> Regards,
>>>>> Maowu
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>>