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May 2014

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Subject:
From:
John Balchunas <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, John Balchunas <[log in to unmask]>
Date:
Thu, 29 May 2014 09:31:21 -0500
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Re:

">>...there
>> is a lot of subjectivity between the experts in defining what is
>> considered clean and not clean.  IPC-5704 helps some with incoming board
>> cleanliness by setting up an industry standard that has been mutually
>> agreed upon within committee.  However, no such standard exists for
>> assembly cleanliness..."

My 2 cents worth:

Table 6-4 of IPC-CH-65B July 2011  specifies contamination levels for circuit board assemblies per IPC-TM-650, 2.3.28, Ion Chromatography.

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