Electronics Forum | Fri Dec 15 11:06:06 EST 2006 | Gman
Hello All, Is Ionic Cleanliness testing using say an Ionograph on No-clean assemblies a valid test? If not, why? I understand factors like PCB cleanliness but is the 1.56ug/in2 IPC criteria valid for no-clean assemblies and can an Ionograph be used
Electronics Forum | Mon May 10 12:03:27 EDT 1999 | Douglas A. Hooper, Sr.
If I clean my assembly and find no visable contamination with the unaided eye, do I need to do cleanliness testing prior to conformal coating?
Electronics Forum | Fri Dec 06 10:16:57 EST 2002 | davef
Bare board cleanliness is still primarily measured by resistivity of solvent extract (ROSE) using instruments such as Omegameters and Zero Ions. What is considered as "acceptable" cleanliness varies between specification and from company to company.
Electronics Forum | Thu Apr 14 13:10:49 EDT 2005 | Shean Dalton
Hi John, A primary consideration is the type of flux you are using. If it's water soluble (organic acid) then cleaning is highly recommended. Any other flux that fails the copper mirror test, we'd strongly recommend cleaning. Passing the copper m
Electronics Forum | Tue Nov 15 21:15:22 EST 2005 | davef
A fairly painless method for monitoring cleanliness is Resistivity Of Solvent Extract [ROSE]. Equipment is: * Omegameter * Ionograph * Ion Chaser [Zero-Ion] Anyone who desires to use an Resistivity Of Solvent Extract tester should read EMPF repor
Electronics Forum | Tue Jul 06 18:44:32 EDT 2004 | SIX SIGMA QE
Our company calls out IPC-610 standards. Are there any other test standards in Engineering for PCBA's? Thank you.
Electronics Forum | Tue Nov 25 17:43:09 EST 2003 | Gabriele
Try to see J-STD-001 Chapter 8.Cleaniness Requirements. Also you could info also on ASTM D5127-99. Rgds
Electronics Forum | Wed Nov 26 12:44:55 EST 2003 | caldon
Dave- Mark Thaler is no longer at ACI/EMPF. He left a few Years Back. Best to use Guy Ramsey gramsey@aciusa.org 610-362-1200 x 107 Cal
Electronics Forum | Mon Nov 08 15:17:35 EST 2004 | caldon
The EMPF published a nice article, now old but relative, to Cleanliness. www.empf.org Under Technical Docs The listing is ... RR0013 - An In-Depth Look at Ionic Cleanliness Testing - August 1993. Cal
Electronics Forum | Fri May 27 11:55:37 EDT 2005 | Sarag
There is also a new cleanliness tester that looks at localized areas to provide a cleanliness reading and can extract a sample to use in ion chromatography testing. You can find out about it here: http://www.residues.com/C3.html
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