Hello again group and I want to thank you for helping me with past
questions.  I have another question regarding the thickness of gold that
should be applied to PCBA pads.  We have standard gold over
nickel/copper pads.  The pads are not used for any insertion but used as
a contact point for board interconnection via a zebra strip. 
 
What is a recommended gold thickness over nickel to prevent nickel
oxidation caused by migrating nickel? 
 
Thank you for your help again.
 
Thanks
David Harman
 

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