Dear Technetters

We have boards  with ImmAg  finish that were sitting in the warehouse
for about 18 months.

Assembly process is LF reflow soldering 

We doubt the quality of the plating and do not want to assemble test
boards  for many reasons, ( board price, component shortage etc)

The PWB manufacture suggests recoating the boards with the same plating.

Are there any known limitations to this process such as entrapped
contaminants in via holes

Has anyone experienced this procedure and can share his/her knowledge on
this subject. 

Any special tests that should be preformed after the plating process?

Thanks 

Mickey


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