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May 2001

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Subject:
Re: Black Pad
From:
"Stephen R. Gregory" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 18 May 2001 09:00:28 EDT
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Hi Guenter!

There's real good article about Black Pad that was presented at the 1999
Printed Circuits Expo thas has all kinds of good pictures. It's at:

http://www.nukcg.org/downloadfiles/Hadco%20on%20Immersion%20Gold%20failures.pd
f

-Steve Gregory-


> Quite a while ago there was a discussion in TechNet about Black Pad. I read
> some articles too, but what I am missing is a picture or two or so how
> Black pad looks like ( sure it's more than just black ).
>
> Have a great day
>
> Guenter
>
> Guenter Grossmann
>
> Swiss Federal Institute for Materials Testing and Research EMPA
> Centre for Reliability
> 8600 Duebendorf
> Switzerland
>
> Phone: xx41 1 823 4279
> Fax :      xx41 1823 4054
> mail:     [log in to unmask]
>

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