I have searched the archives and have found lot's of good info but
nothing in regard to the prevalence or the statistical occurrences of
this event.

I have run tens of thousands of ENIG boards and I haven't observed this
defect but I am concerned enough to ask.  Is this a board fabricator
controllable issue that has been minimized?

Have you observed this phenomenon?  How often will this occur?  Is
immersion silver the better way to go to assure the reliability and
quality of the products?
--
Paul Truit, Mfg. Eng.
RBB Systems, Inc.
4265C E. Lincolnway
Wooster, OH  44691
Ph. (330) 567-2906 ext 514
Fax (330) 263-5324
Email: [log in to unmask]

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