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The Knowledge and Know-how Connection
IPC OUTLOOK Logo
April 21, 2014
Lead-free Reflow and Influence of Moisture
Lead-free Reflow and Influence of Moisture
Analysis Lab
Pin-in-Paste Calculations
Pin-in-Paste Calculations
Board Talk
What Causes Chip Blow Off During Reflow?
What Causes Chip Blow Off During Reflow?
Board Talk
LGA/QFN Packages Floating During Reflow
LGA/QFN Packages Floating During Reflow
Analysis Lab
Why Do Our Boards Warp During Reflow?
Why Do Our Boards Warp During Reflow?
Board Talk
Vapor Phase Quality Improvement
Vapor Phase Quality Improvement
Production Floor
Tips When Moving a Reflow Oven
Tips When Moving a Reflow Oven
Board Talk
Solder Bridging on BGAs
Solder Bridging on BGAs
Ask the Experts
Void-Free Soldering With Vapor-Phase Vacuum Tech
Void-Free Soldering With Vapor-Phase Vacuum Tech
Production Floor
How Many Zones Needed for Lead-free Profile?
How Many Zones Needed for Lead-free Profile?
Ask the Experts
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Protection Beyond the Shadow of a Doubt!
Protection Beyond the Shadow of a Doubt!
Dymax UV conformal coatings cure in shadowed areas; protect PCB components from service environments. Get the Guide to Light-Cure Conformal Coatings.
Dymax Corporation

What Causes Solder Skips?
What Causes Solder Skips?
Bob Willis looks at the most common reasons for solder skips on surface mount during wave soldering and illustrates how pad length, solder mask thickness and gassing from solder mask and flux will contribute to the problem.
Authored By:
Bob Willis - http://www.bobwillis.co.uk
Bob Willis operates a training and consultancy business based in England.
Analysis Lab programs cover topics including:
Corrosion, Contamination, Data Acquisition, ESD and EOS, Inspection, Measurement, Profiling, Reliability, R&D, RFID, Solder Defects, Test, Tombstoning, X-ray and more.
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