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November 2006

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Subject:
Question about J-STD-001 cleanliness designator C-22
From:
Joel Alexander <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Thu, 30 Nov 2006 11:46:47 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (27 lines) 
We are processing some assemblies with water soluble flux that requires
washing.   We then wash the assemblies as required by C-22.  The next step
we add a some hand soldered parts with no clean VOC flux but do not clean
the assembly. We sample test the boards for ionic contamination and they
pass.

Should these be considered compliant since they pass or would the no-clean
solder have to also be washed of.

FYI this is for some military work.

Any help would be appreciated

Joel Alexander

APSCO Quality Assurance Manager

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