I am looking for some information on Immersion Tin plating. We have been using
this finish at our facility for approximately 2 years and have encountered many
issues with the cleanliness of the boards after the plating process, as well as
solderability issues. Most instances of cleanliness issues have been in regards
to what appears to be plating solution not being properly rinsed and dried from
the board. I'm looking for feedback from other Immersion Tin users on what sort
of issues they have encountered in using this finish (if any) as well as any
input on long term reliability issues ( intermetalic growth, tin migration,
etc). Thanks in advance for your help.

Wendy Worth
Material Quality Control
Harris Corporation

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