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February 2006

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Subject:
From:
Werner Engelmaier <[log in to unmask]>
Reply To:
(Leadfree Electronics Assembly Forum)
Date:
Thu, 9 Feb 2006 12:09:58 EST
Content-Type:
text/plain
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Hi LS,
Unfortunately, with LF-solders we--that is the whole industry and its
customers--are stuck  between this proverbial rock and a hard place courtesy of the
no-brain EU-parliament. there are currently no ways--even inaccurate ones--to
demonstrate long-term product reliability with LF-solders. That is the prime
reason they exempted some of the more critical product categories.
At this point in time my suggestion is to use SnPb-based modeling and
together with a suitable Safety Factor (read Ignorance Factor] multiplier--the
64,000-dolar-question is of course what is 'suitable.'

Werner

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