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September 2001

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Subject:
From:
Ronald Rea <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 26 Sep 2001 13:36:52 -0700
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Hello people of TechNet,

What is the minimum nickel and gold thickness in the bottom of micro-vias.
IPC 6012 doesn't seem to be very specific on that point.

On the surface, a minimum of 50 microinch seems sufficient, but how does
this garantee corrosion protection in the barrel of the blind vias?

Your toughts please,

Thanks,

Ronny.





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