Star-fst-l mailing list

[董家宁 <jndong AT sdu.edu.cn>]

Hi Zhenyu,
  Yes, and it will be better for me if Fermilab technician give some 
suggestions about the position and dimension for the test pad.
  Thanks.

Best,
Jianing

> -----原始邮件-----
> 发件人: "Ye, Zhenyu" <yezhenyu AT uic.edu>
> 发送时间: 2020-01-28 23:38:05 (星期二)
> 收件人: "董家宁" <jndong AT sdu.edu.cn>
> 抄送: "star-fst-l AT lists.bnl.gov" <star-fst-l AT lists.bnl.gov>
> 主题: Re: [Star-fst-l] Weekly FST meeting, Jan 27 9am
> 
> Hi Jianing, 
> 
> Thanks for the reply and suggestion. Fermilab technician said that she 
> could try to use these pads for wire-bonding pull test for prototypes. We 
> should consider adding pads to production hybrids. 
> 
> Zhenyu
> 
> > On Jan 28, 2020, at 2:49 AM, 董家宁 <jndong AT sdu.edu.cn> wrote:
> > 
> > Hi Zhenyu,
> > 
> >   As far as I know, there are no extra pads available for the 
> > wire-bonding pull test on the hybrids.
> > 
> >   But the APV footprint for FST is the same as that for IST, and there 
> > are some large bond pads (shown in the attached picture, red circle) on 
> > the hybrids. Maybe they could be used for the wire-bonding pull test? 
> > 
> > 
> > 
> > Best,
> > 
> > Jianing
> > 
> > 
> > 
> > -----原始邮件-----
> > 发件人:"Ye, Zhenyu" <yezhenyu AT uic.edu>
> > 发送时间:2020-01-28 05:34:06 (星期二)
> > 收件人: "Ye, Zhenyu" <yezhenyu AT uic.edu>
> > 抄送: "star-fst-l AT lists.bnl.gov" <star-fst-l AT lists.bnl.gov>
> > 主题: Re: [Star-fst-l] Weekly FST meeting, Jan 27 9am
> > 
> > Minutes
> > 
> > Attendees: Elke, Flemming, Krishan, Mike, Te-Chuan, Xu, Zhenyu
> > 
> > 1. Inner signal cables and T-boards - Mike
> > Expect to receive them middle of next week. Will send them together with 
> > the other parts requested by Xu for UIC test stand.
> > Flemming is working on the paperwork for a loan agreement
> > 
> > 2. Module Assembly at Fermilab - Zhenyu
> > Had a meeting with Fermilab engineers and technician last Friday. Working 
> > on documenting the assembly procedure for FST, based on the documented 
> > assembly procedure for IST. 
> > 
> > Question for Jianing: 
> > 1) are there bond-off pads on FST hybrids to do wire-bonding pull tests? 
> > (See page 2 yezhenyu_FST_20200127.pdf )
> > 
> > Question for Yi: 
> > 1) how are the wedges fixed to the supporting structure, which holes on 
> > the mechanical structures will be used?
> > 
> > 3. Geometry - Flemming/Te-Chuan
> > 
> > Question for Yi: 
> > 1) is the estimated radiation length on FST_agml_01_27_2021.pdf slide 5 
> > reasonable? 
> > 2) is the estimated weight per disk on slide 5 reasonable? 
> > 
> > If the answers are yes, Flemming will send the new FST AgML model to 
> > Jason.
> > 
> > Zhenyu
> > 
> > 
> > 
> > > On Jan 24, 2020, at 4:38 PM, Ye, Zhenyu <yezhenyu AT uic.edu> wrote:
> > > 
> > > Dear all, 
> > > 
> > > We will have the Weekly FST meeting on Monday, Jan 27, starting at 9am 
> > > EST (BNL local time).
> > > 
> > > https://drupal.star.bnl.gov/STAR/event/2020/01/27/fst-group-meeting
> > > 
> > > Bluejeans Meeting URL https://bluejeans.com/101020434
> > > Meeting ID: 101 020 434
> > > 
> > > Zhenyu
> > > _______________________________________________
> > > Star-fst-l mailing list
> > > Star-fst-l AT lists.bnl.gov
> > > https://lists.bnl.gov/mailman/listinfo/star-fst-l
> > 
> > <large pad on APV25.png>
>