Brian, if you can live for years on leady Cuprus without taking damage I think a little Lead will not lead to lead-away, anyway./Ingemar

-----Original Message-----
From: Brian Ellis [mailto:[log in to unmask]]
Sent: den 27 januari 2001 10:33
To: TechNet E-Mail Forum.; Ingemar Hernefjord (EMW)
Subject: Re: [TN] squashed pancakes


Ingemar

I've been soldering with lead since c. 1940 and have even done some lead
casting and am still alive. However, many question my intellectual
capacity. Do you think there is a connection? :-)

Brian

"Ingemar Hernefjord (EMW)" wrote:
>
> 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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