Rich,

Look at J-STD-001, section 8, Cleanliness requirements.  Good luck.


joe

-----Original Message-----
From: Rich Lasko [mailto:[log in to unmask]]
Sent: Thursday, August 19, 2004 10:15 AM
To: [log in to unmask]
Subject: [TN] Cleanliness Specs


Good afternoon all,



I am trying to track down the specific cleanliness specs for electronic
assemblies prior to conformal coating.  (ie < 14 micrograms/cm sq).
What document is this actual measurement listed in?  (MIL-STD-28809)?
Hasn't that been cancelled and superseded by another document?



Please advise where I can get a copy of this cleanliness spec.



Thanks,



Rich


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