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March 1997

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From [log in to unmask] Mon Mar 17 17:
10:43 1997
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Re: TSOPs
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Hi Tom,
Yes I have clients that have encountered problems with TSOPs with Alloy 42
lead/lead frames. In one case the solder joints failed in bed-of-nail testing
due to virtually no wetting; in the other case they are field return of
memory SIMMs and DIMMs after about 3 years in the field. 

Werner Engelmaier
Engelmaier Associates, Inc.
Electronic Packaging, Interconnection and Reliability Consulting
23 Gunther Street
Mendham, NJ  07945  USA
Phone & Fax: 201-543-2747
E-mail: [log in to unmask]

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