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February 2004

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Subject:
Re: : technical question: annealing time and temperature
From:
[log in to unmask]
Reply To:
(Leadfree Electronics Assembly Forum)
Date:
Thu, 12 Feb 2004 20:12:56 EST
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text/plain (18 lines) 
Dave,

I do not want to get commercial in this forum but proprietary Sn-Cu and
Sn-Ag-Cu eutectic alloys based on modification of the intermetallics with ternary
and quaternary additions of suitable trace elements are available now.   It is
already a proven technology.

Keith Sweatman
Nihon Superior Co., Ltd

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