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November 2006

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Subject:
From:
Gary Warner <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Gary Warner <[log in to unmask]>
Date:
Thu, 30 Nov 2006 12:03:17 -0700
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text/plain
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text/plain (46 lines)
There is an IPC spec on ENIG. It is IPC-4552 Specification for ENIG
Plating for Printed Circuit Boards. It specifies finish thickness
requirements and visual examination requirements. It also has a
section on porosity. I did not see anything specifically on roughness
however. Check it out. You may find what you're looking for there.
gw



At 01:55 PM 11/29/2006, Werner Engelmaier wrote:
>Good question,
>never heard of a spec for the surface roughness of ENIG finish
>
>
>
>Werner
>
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Gary Warner
Director, Quality Assurance
SAE Circuits Colorado, Inc.

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