Lead Free Solder Analysis

Lead free solder has grown in popularity in the electronics industry because of world-wide legislation being enacted. However lead has been widely believed to mitigate the formation of tin whiskers.

 

 

Tin Whisker

Example of a tin whisker.

Tin Whiskers

Tin whiskers.

This lead-free solder joint has uniform intermetallic layers at both the termination (Ni-barrier plating) and pad interface.

This lead-free solder joint has uniform intermetallic layers at both the termination (Ni-barrier plating) and pad interface.