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© albert-lozano-dreamstime.com Electronics Production | May 31, 2013

SMS and military requirements

EMS-provider SMS has researched the MSL requirements to ensure that its equipment selection meets IPC/JEDEC defined standards.
"At a recent audit by one of Europe’s leading military contractors it was noted that our process both 'meets and exceeds their requirement'", a press release states.

“This is an endorsement of the due diligence completed by our engineering team”, commented Andy Jones, Quality Manager at SMS Electronics. Andy further commented,

“Different surface-mount package types have different sensitivity levels to moisture. The problem with moisture absorption and retention inside the package is that the trapped moisture will vaporize and apply tremendous internal package stresses when the device is subjected to sudden, elevated temperature, such as during board mounting. Package cracking due to such moisture-induced stresses is known as popcorn cracking.”

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