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April 2013

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From:
"MacFadden, Todd" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, MacFadden, Todd
Date:
Thu, 25 Apr 2013 16:34:58 +0000
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Hi everyone,

We have a new application that will require thousands of insertions on edge connectors such as you might find on mother board interconnects. This is new to us so we don't have experience or design rules yet.

Are there industry guidelines/requirements for: (1)  plating thickness and performance of hard nickel and hard gold for these types of edge finger connectors; (2) edge chamfer design; (3) finger spacing, etc.

I have seen several good supplier-specific design guidelines for edge fingers, but no industry standards yet. I know only of MIL-G-45204 for hard gold plating; is that useful in this application?

Thanks in advance for any insight.
Todd








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