SMART GROUP - PPM Monitoring
PPM Brochure Download
PPM AVERAGES
Solder Paste Printing:
Component Placement:
Reflow Soldering:
Wave Soldering:
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A PDF version of this sheet can be obtained here.
Poor Solderability

Poor solderability of the lead as supplied from the manufacturer. In the example the solder paste has reflowed and wet the pad but failed to solder the J lead. The lead shows very little evidence of any solderable coating.

(Poor Solderability )
(QFP Cracking)
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For further information on PPM Monitoring and this SMART Group initiative, contact:
Bob Willis -
info@ppm-monitoring.com