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Tue, 12 Jul 2011 16:51:03 -0700 |
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Dave,
Thanks for the compliment, that old paper was written in 1985 or so and
is still true today. If we can get a photo up to see a better bit of
advise could be supplied.
Regards,
John Maxwell
On Tue, 12 Jul 2011 11:42:29 -0500, "David D. Hillman"
<[log in to unmask]> wrote:
> Hi JB - read this reference paper by John Maxwell - it should be required
> reading for all assembly engineers:
>
> http://www.avx.com/docs/techinfo/cracks.pdf
>
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>
>
>
> J B Ribeiro <[log in to unmask]>
> Sent by: TechNet <[log in to unmask]>
> 07/12/2011 11:23 AM
> Please respond to
> TechNet E-Mail Forum <[log in to unmask]>; Please respond to
> J B Ribeiro <[log in to unmask]>
>
>
> To
> <[log in to unmask]>
> cc
>
> Subject
> [TN] Capacitor Crack
>
>
>
>
>
>
> Hi to all,
>
> We are problems with capacitor crack (0805).
> The crack is 45°, close to solder pad and the initiation crack is from
> down to top.
>
> What are the solutions to solver the problem?
> Thermal Shock, Pick and Place, Depaneling?
>
> What is the checklist to audit my supplier?
>
> thank you a lot
>
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