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October 2006

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Subject:
From:
Jeffrey Bush <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Jeffrey Bush <[log in to unmask]>
Date:
Mon, 2 Oct 2006 11:12:49 -0400
Content-Type:
text/plain
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text/plain (70 lines)
Paint chipping from the old dull die that was used to punch the part.

Jeffrey Bush
Director, Quality Assurance and Technical Support
VERMONT CIRCUITS INCORPORATED 
           76 Technology Drive - POB 1890 
              Brattleboro, Vermont 05302
                Voice - 802.257.4571 ext 21
                    Fax - 802.257.0011
                       <http://www.vtcircuits.com/> 
                           

-----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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