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[Zhenyu Ye <yezhenyu2003 AT gmail.com>]

> On Jul 2, 2020, at 2:40 AM, Yi Yang <yiyang AT ncku.edu.tw> wrote:
> 
> Hi Zhenyu,
> 
> It is good news. Thanks for the update.
> 
> Could you please provide more details on the comments from the technician, 
> like the placement is off in which direction, what are the reference points 
> for these 500 and 200 microns (they are very different from our 
> measurements). 
> "The inner chip placement was off .500mm so I needed to reposition. The 
> outer placement was off .200mm”. 

"They were inboard toward the sensor area . I needed to slide the chips back  
or outward. Michelle mention adhesion under some pads was not so good and 
created some issue but she got all in adjusting the powers.”

> Yi, Han-Sheng, Pu-Kai, do you have the measurement results on the relative 
> x and y positions of the hybrids w.r.t. mounting holes, and compare them 
> with design? 
> 
> ==> We actually discussed this in our internal meeting, but so far we don't 
> know how to measure the relative x and y positions. Pu-Kai and Han-Sheng 
> are still working on this. But we didn't measure this for FST003.  (Pu-Kai 
> and Han-Sheng, please correct me if I said something stupid...) 
> 
> 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: 
> https://urldefense.com/v3/__http://phys.ncku.edu.tw/*yiyang__;fg!!P4SdNyxKAPE!Rnlr328oLiOd42W7w83UX0_wwdzoRJSUwdsWXqlls01Dj9ahy2BGalgoLAH8ILNrycBergw$
>   
> +++++++++++++++++++++++++++++++++++++++++++++++++++
> 
> 
> On Thu, Jul 2, 2020 at 7:53 AM Zhenyu Ye <yezhenyu2003 AT gmail.com> wrote:
> All the 8 APV chips were mounted and showed normal behavior in readout. I 
> have instructed the Fermilab technicians to mount the Silicon sensors. 
> 
> One comment from the technician "The inner chip placement was off .500mm so 
> I needed to reposition. The outer placement was off .200mm”. 
> 
> Yi, Han-Sheng, Pu-Kai, do you have the measurement results on the relative 
> x and y positions of the hybrids w.r.t. mounting holes, and compare them 
> with design? 
> 
> Best, 
> Zhenyu 
> 
> > On Jun 19, 2020, at 7:18 AM, Yi Yang <yiyang AT ncku.edu.tw> wrote:
> > 
> > Dear all,
> > 
> > We've finished the second prototype and shipped it to Fermilab directly 
> > per Zhenyu's request today. The DHL tracking number is: 4658055916  
> > (https://urldefense.com/v3/__https://www.dhl.com/en/express/tracking.html?AWB=4658055916&brand=DHL__;!!P4SdNyxKAPE!Rnlr328oLiOd42W7w83UX0_wwdzoRJSUwdsWXqlls01Dj9ahy2BGalgoLAH8ILNrJwXgsU8$
> >  ) 
> > 
> > Please find some details/pictures of this prototype here:
> > 20200619_FST_Second_Prototype_YiYang.pdf
> > 
> > Overall it looks pretty good (much better than the first batch). 
> > Thank you very much for being patient with us. 
> > 
> > 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: 
> > https://urldefense.com/v3/__http://phys.ncku.edu.tw/*yiyang__;fg!!P4SdNyxKAPE!Rnlr328oLiOd42W7w83UX0_wwdzoRJSUwdsWXqlls01Dj9ahy2BGalgoLAH8ILNrycBergw$
> >   
> > +++++++++++++++++++++++++++++++++++++++++++++++++++
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