[tinwhiskers] Fwd: Whiskers in Database
- From: Steve Smith <steve@xxxxxxxxxxxxxxxxxxxxxx>
- To: tinwhiskers@xxxxxxxxxxxxx
- Date: Wed, 24 Sep 2008 10:25:15 -0700
Please contribute your tin-whisker information to
http://defectsdatabase.npl.co.uk/
Steve Smith
This is a forwarded message
From: Bob Willis <bob@xxxxxxxxxxxxxxx>
To: <steve@xxxxxxxxxxxxxxxxxxxxxx>, "Davide Di Maio - NPL Team"
<davide.di.maio@xxxxxxxxx>
Date: Wednesday, September 24, 2008, 9:52:04 AM
Subject: Whiskers in Database
===8<==============Original message text===============
Thanks Steve, we would be more that happy to set up a specific category for
tin whiskers if people would like to contribute to the database.
If you can coordinate some images with the following information highlighted
wee can add them in and add in the Whisker section.
Just highlight one item per category with each image provided or delete all
but one item per category. We would also need a short description, probable
cause and possible solution.
Title: Tin Whisker
Description of Defect:
Probable Cause:
Possible Solution:
Number found:
Assembly Soldering Process:
Convection Reflow
General Assembly
Hand Soldering
Reflow Soldering
Selective Soldering
Unknown
Vapour Phase
Wave Soldering
Solder Alloy Option:
Lead-free
Tin/Lead
Unknown
Defect Category:
Assembly/soldering
Components
Field failure
Printed circuit board
Defect Location:
Field
Goods in Inspection
Process
Product Evaluation
Unknown
Product Volume:
Unknown
High (>500 per week)
Medium (10 to 50 per week)
Low (<10 per week)
Product Applications:
Automotives
Consumer/commercial
Medical
Military/aerospace
Telecommunications
Transportation
Other
Many thanks
Bob Willis
2 Fourth Ave, Chelmsford, Essex, CM1 4HA England
Tel: (44) 1245 351502
Fax: (44) 1245 496123
Mobile: 07860 775858
<http://www.ASKbobwillis.com> www.ASKbobwillis.com
New Bob Willis "Printed Board Inspection & Quality Control Workshop" 24th
March <http://www.ASKbobwillis.com/faworkshops.pdf>
www.ASKbobwillis.com/faworkshops.pdf
"Troubleshooting Your Assembly Yields Workshop" 25th March
<http://www.askbobwillis.com/faworkshops.pdf>
www.ASKbobwillis.com/faworkshops.pdf
Book Bob's "Step by Step Failure Analysis Workshop" 22nd April
<http://www.askbobwillis.com/faworkshops.pdf>
www.ASKbobwillis.com/faworkshops.pdf
===8<===========End of original message text===========
--
Best regards,
Steve Smith <steve@xxxxxxxxxxxxxxxxxxxxxx>
www.consultingscientist.us
http://www.pickensplan.com/
--- Begin Message ---
- From: "Bob Willis" <bob@xxxxxxxxxxxxxxx>
- To: steve@xxxxxxxxxxxxxxxxxxxxxx, "Davide Di Maio - NPL Team" <davide.di.maio@xxxxxxxxx>
- Date: Wed, 24 Sep 2008 17:52:04 +0100
Thanks Steve, we would be more that happy to set up a specific category for
tin whiskers if people would like to contribute to the database.
If you can coordinate some images with the following information highlighted
wee can add them in and add in the Whisker section.
Just highlight one item per category with each image provided or delete all
but one item per category. We would also need a short description, probable
cause and possible solution.
Title: Tin Whisker
Description of Defect:
Probable Cause:
Possible Solution:
Number found:
Assembly Soldering Process:
Convection Reflow
General Assembly
Hand Soldering
Reflow Soldering
Selective Soldering
Unknown
Vapour Phase
Wave Soldering
Solder Alloy Option:
Lead-free
Tin/Lead
Unknown
Defect Category:
Assembly/soldering
Components
Field failure
Printed circuit board
Defect Location:
Field
Goods in Inspection
Process
Product Evaluation
Unknown
Product Volume:
Unknown
High (>500 per week)
Medium (10 to 50 per week)
Low (<10 per week)
Product Applications:
Automotives
Consumer/commercial
Medical
Military/aerospace
Telecommunications
Transportation
Other
Many thanks
Bob Willis
2 Fourth Ave, Chelmsford, Essex, CM1 4HA England
Tel: (44) 1245 351502
Fax: (44) 1245 496123
Mobile: 07860 775858
<http://www.ASKbobwillis.com> www.ASKbobwillis.com
New Bob Willis "Printed Board Inspection & Quality Control Workshop" 24th
March <http://www.ASKbobwillis.com/faworkshops.pdf>
www.ASKbobwillis.com/faworkshops.pdf
"Troubleshooting Your Assembly Yields Workshop" 25th March
<http://www.askbobwillis.com/faworkshops.pdf>
www.ASKbobwillis.com/faworkshops.pdf
Book Bob's "Step by Step Failure Analysis Workshop" 22nd April
<http://www.askbobwillis.com/faworkshops.pdf>
www.ASKbobwillis.com/faworkshops.pdf
--- End Message ---
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