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Key info from the MSL Lab

Posted: 23 Mar 2009  Print Version  Bookmark and Share Subscribe

Keywords: Plastic encapsulated microcircuits  Moisture Sensitivity Level  reflow 

[Summary of tips] 2. Moisture clings to surfacesMoisture that is absorbed through the mould compound eventually is collected on an internal surface. Since the largest internal surface in a PEM is the die paddle, this is where moisture is most likely to be present. In some PEMs, moisture is also absorbed by the die attach material. Moisture in ei......
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