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Resources : Photos of Electronic Assembly Failure Mechanisms

Photo Library:  Page 2
 

These photos exemplify some of the reliability issues that Foresite encounters & solves on a regular basis.  If you have any questions about the images, or have any thoughts on additional problems we can photo and document, email ForesiteInfo@residues.com.

 

Click on the thumbnails or links to see full size images.

 

 

Flux Residue on Surface of Trace in No Clean Process

 

Flux Residue Between Leads on QFP

 

Flux Residue on a Thru Hole Part

 

Heavy Flux Residue that was Improperly Cleaned

 

High Degree of Corrosion

 

Improperly Cured Glue Dot Under Capacitor

 

Improperly Cured Conformal Coating under UV Light

 

Debris on Board Behind Leads

 

Partially Activated Flux After Wave Soldering

 

Poor Cleaning of Electronic Assembly - Tap Water with No Saponifier was used

 

 

 

Poor Wetting Conditions - No Fillet

 

 

Poor Wetting

 

Poorly Cured Glue Dot on Board Side

 

Poorly Cured Glue Dot on Bottom of Capacitor

 

Severe Corrosion


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