[halla_compton] [EXTERNAL] Re: e-detector QWAD adapater Fwd: FW: Assembly quotation for order W73507AST5

[Michael Gericke]

Hi,

I am sending this again, as it appears that my previous message with the 
attached quote did not go through
(attachment too large ?).

Michael

--
Michael Gericke (Ph.D., Professor)

Physics and Astronomy
University of Manitoba
30A Sifton Road, 213 Allen Bldg.
Winnipeg, MB R3T 2N2, Canada

On 2019-10-28 9:34 a.m., Michael Gericke wrote:
> Hello,
>
> We have a quote for the adapter boards. The lead time on the boards is 
> 2 weeks (see Jie's message below).
> The questions that need to be answered are whether we should go ahead 
> with making just the boards and
> then putting the components on at JLab, or if we should have them all 
> done with one set resistors now and
> change them later as needed. Also, the question as to whether the 
> boards can be made faster at JLab, giving
> time to make a test board first, is still open.
>
> Please let us know how we should proceed. Juliette: the cost to the 
> grant is around $2k.
>
> Michael
>
> --
> Michael Gericke (Ph.D., Professor)
>
> Physics and Astronomy
> University of Manitoba
> 30A Sifton Road, 213 Allen Bldg.
> Winnipeg, MB R3T 2N2, Canada
>
>
> -------- Forwarded Message --------
> Subject: 	FW: Assembly quotation for order W73507AST5
> Date: 	Mon, 28 Oct 2019 09:18:19 -0500
> From: 	Jie Pan <Jie.Pan at umanitoba.ca>
> To: 	Michael Gericke <mgericke at physics.umanitoba.ca>
>
>
>
> Hi Michael,
>
> After a few back and forth on the manufacture files over the weekend, 
> the PCB company now gives an quote on PCB and assembly. The total cost 
> is ~US$2000 for 20 boards. The parts themselves cost are about $45 per 
> board (see the attached BOM, in which the DB50 connector is the most 
> expensive part).
>
> The PCB takes about 2 weeks to make, while the assembly probably 
> depends on when we will give them a reply on if we will proceed the 
> making or not. Anyway, they are waiting for the reply and we shall 
> make a decision asap.
>
> For the assembly, we need give the final values of the resistors in 
> the BOM. I am not sure about that, though. The resistors determine the 
> signal and noise level at the discriminator input, should be 
> detector-dependent. We don’t have a JLab thin silicon strip detector 
> here, hence cannot verify the values by experiment. We may simply use 
> 100K resistors for now so that the manufacture can start quick 
> production, but the resistors might need to be replaced in the future 
> at JLab.
>
> Anyway, please advise me how to proceed. Thanks!
>
> Jie
>
> *From: *julia.pcbway <mailto:julia at pcbway.com>
> *Sent: *October 28, 2019 5:12 AM
> *To: *Jie Pan <mailto:Jie.Pan at umanitoba.ca>
> *Subject: *Assembly quotation for order W73507AST5
>
> Hello,
>
> For assembly order W73507AST5, here attached the BOM we quoted, please 
> kindly check and confirm especially those comments in red color showed.
>
> For pcb, there is 0.7mm blind vias, we suggest to update to 0.2mm to 
> make, can you accept? If yes, we can update for you.
>
> For surface finish, we suggest to update to immersion gold, because to 
> make blind vias, HASL is not good.
>
> Look forward to your early reply to proceed, thank you.
> 2019-10-28
> -----------------------------------
> Best Regards
> *Julia*
> Customer Service Executive
> Skype: live:julia_4946 (julia at pcbway.com) | Tel:86-571-85396323
>
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>
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