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PCB Assembly Rule

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Report on lead free
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Balazs Szucs

To all smt neters,
In many different threads I have tried to bring awareness of the dangers lead free alloys pose to the reliability of solder connections. Many times those warnings have been waved by unscientific reports (from lead free solder manufacturers) comparing their lead free alloy of preference to their competitors lead free alloy of preference. No positive report exists comparing lead free to standard leaded material. All literature in lead free is written like, if you get the disease learn to deal with the symptoms. Until today I was thinking being the only one aware of the dangers and already start thinking I was becoming too old or became conservative (resisting change), but today I received an encouraging UNCLASSIFIED report from the US DoD. The intention of the report is to remind their suppliers of the fact that lead has been historically proven a necessity for reliable interconnections. The report has very good reference material.
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Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

Franco Piccirelli

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JPOS

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ENRICO BORSETTI

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