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January 2001

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Subject:
From:
"Ingemar Hernefjord (EMW)" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 22 Jan 2001 08:37:26 +0100
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Hi Werner,
I will try to still your curiosity. Sending you some delicate pictures
offline. Hope you cope with the views, so I don't get blamed for sending too
upsetting pictures. Is there possibly a 'Playboy' also for soldering? Can
imagin a midpage in Circuit World showing exciting IMCs and etched
samples?...He-he.
Have a nice day and avoid lead poisoning
Ingemar
PS. Will check in Wassink and AWS's handbook.

-----Original Message-----
From: [log in to unmask] [mailto:[log in to unmask]]
Sent: den 21 januari 2001 03:33
To: [log in to unmask]; [log in to unmask]
Subject: Re: [TN] squashed pancakes


Hi Ingemar,
You did not give the thermal history, but to get "Ni/Tin IMC is many
microns"
thick you need to sit at high temperatures for a long time--not just one or
2
reflows. Just look up the Ni-dissolution rate in Sn in Klein-Wassink. I
would
love to see those pictures together wioth the history.
Werner Engelmaier

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