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April 2008

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Subject:
From:
"Todd, Richard" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Todd, Richard
Date:
Tue, 15 Apr 2008 10:50:13 -0400
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Technet,

I am receiving questions about the allowable limits of ionic contamination on our finished assemblies.  I believe that J-STD-001D indicates that the allowable limit is 1.5 ug/cm2.  Is this the same for both leaded and lead-free assemblies?  Is there any other specification that details what the maximum acceptable limits for ionic contamination should be for finished assemblies?

My customer won't take my word for it; I must provide industry-recognized evidence.

Thank you in advance.

Regards,

Rick Todd
Senior Engineer
Panasonic Automotive Systems


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