At 09:06 AM 10/2/2006 -0500, you wrote:
>Supplier mentioned that it can be removed by fluxing process and they
>don't usues any material of that color substance.
>I bet is some Operator afraid of being reprimand and cover the issue.
>This board, I think cost 10 over us dollars.
>Maybe I should feedback to Customer 1st and let them check their process
>again.
>
>
>On Mon, 2 Oct 2006 09:43:31 -0400, Dehoyos, Ramon <[log in to unmask]>
>wrote:
>
>Need to take a tour and find out who of the two possible culprits have
>that type of paint in house. If the paint is epoxy kind, chances are that
>the board vendor made an error and spilled the paint.
>Is it an expensive board? Perhaps the operator that spilled the paint did
>not want to fess up due to concerns of being reprimanded. Check with
>reference designator printing process (board house).
>Regards,  Ramon
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Saint Jerky Sent:
>Monday, October 02, 2006 9:26 AM To: [log in to unmask] Subject: Re: [TN]
>Customer or Supplier Inherent Defect? Share your views I just the
>middleman for the sales of this PCB, now I am in dilemma whether to reject
>this Analysis to the Supplier or claim it back to Customer.
> >From what I see, this paint should happened before the components is being
>mounted since there isn't any trace of paint on those components surface.
>But who did it? haha Yes, it a multi-layer board but the delamination area
>have not pose an issue so far.
>
>On Mon, 2 Oct 2006 13:17:39 +0100, Colin McVean <[log in to unmask]>
>wrote:
>
>Had you placed any sticky labels etc onto the assembly before
>fluxing/soldering. It seems like something has flowed or blown over the
>surface.
>
>I would also be concerned about the amount of delamination noted on the
>panel edged - it's a multilayer PWB! Ingress of moisture etc could cause
>issues later.
>
>Colin McVean M.Inst.C.T.
>Production Manager Artetch Circuits Limited Main: 01903 725365 DD: 01903
>712926 Email: [log in to unmask] www.artetch.co.uk
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Dan Mauro Sent: 02
>October 2006 13:06 To: [log in to unmask] Subject: Re: [TN] Customer or
>Supplier Inherent Defect? Share your views I
>
>think it is interesting that no paint is present on any components from
>what I can see.. That tells me it is supplier and/or your operation
>created it!
>
>Dan Mauro
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Saint Jerky Sent:
>Monday, October 02, 2006 7:49 AM To: [log in to unmask] Subject: [TN]
>Customer or Supplier Inherent Defect? Share your views
>
>I encounter 1pcs of excess paint on PCB returned from customer.
>Upon analysis by Supplier, they concluded that customer created the defect.
>The details is as below:
>Defect: Paint spread over the PCB
>
>Analysis:
>1) The affected surface was subjected to the fluxing process again and the
>stain was found to be removed from the process.
>2) The stain is unlikely to have been incurred during the bare board
>processing, as fluxing process is conducted just before Final Inspection
>and Packing,
>3) If the stain is incurred during the bare board processing, it will have
>been cleaned up during the fluxing process prior to inspection.
>4) Final Inspection and packing does not uses any material that yield such
>a colour substance
>
>Photo: http://img242.imageshack.us/img242/7362/bareboardzd6.jpg
>
>Based on the photo, tell me what you guys think? The chances that customer
>created it is higher or supplier? Come and share your views for my
>reference. Thanks.
>
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