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Reply To: | TechNet E-Mail Forum. |
Date: | Mon, 12 Apr 1999 16:29:32 +0800 |
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Dear ryu,
We are currently using "golden sample" to compare the gold plating product.
You can define your own inspection environment when lighting condition and
inspector are concerned.
I completely agree with you that the result is very subjective and very
much based on the input of each customer.
______________________________________________________________
At 10:59 PM 1999/4/11 -0700, ryu wrote:
>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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