Can anyone define what is discoloration in IPC 600 regarding fab's
goldfingers? When I see a goldfinger that is not as shiny as the other
ones, should I consider then that the finger is a defective finger?
Personally I think the requirement is very subjective and hard to
define. Is there any inspection tool people can use to determine
whether or not a discolored finger is acceptable/rejectable?
My last question to the group - is discoloration a functional defect or
cosmetic defect?
Thank you for reading my question.
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