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January 1999

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Subject:
Re: Solder "movement"
From:
Phil Hinton <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 13 Jan 1999 14:27:16 EST
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text/plain
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text/plain (23 lines) 
Pat,

Fraunhofer Institute in Berlin came up with a way to test for a feature called
Equiresistant Temperature at which the mechanical properties of solder changes
from OK to very weak.
I think their number for Sn63 was 148'C.  Do not know what you call 5S solder
so cannot give you a number for that.  Fraunhofer has tested a number of
solders and may have the other one in their data.

Phil Hinton

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