Electronics Forum | Thu Oct 21 09:09:07 EDT 1999 | Rich Scheleski
Does anyone have any info in regards to wearing gloves, finger cots in a no-clean process? Are there ionic contamination levels that validate the costs involved in setting up a system? Appreciate any feedback -Rich
Electronics Forum | Fri May 15 12:01:34 EDT 1998 | Justin
| | We understand that testing for ionic contamination and surface insulation resistance measure different properties. We assemble printed circuit boards for other companies. We will not get combs on 90% of the boards that we assemble. | | We have
Electronics Forum | Fri Apr 04 05:04:49 EST 2003 | iman
10Mohm DI washing. On the paste supplier recommendation, we sent sampling boards for Ionic Contamination test with specs
Electronics Forum | Wed Jul 14 15:24:57 EDT 2004 | Jarmato
You may also want to investigate an Ionic contamination tester. You can check with Alpha, Westek or an equipment broker to find a used tester. If you switch to OA fluxes this will be an important test to perform on a regular basis.
Electronics Forum | Wed Nov 10 17:45:35 EST 2004 | Dreamsniper
Hi, What's the acceptable criteria for Ion Chromatography Testing? I found a test lab but they said we have to define what is pass or failed. Can anyone guide me to the right document either IPC or MIL Std? thanks,
Electronics Forum | Thu Apr 14 12:48:54 EDT 2005 | russ
boards greater than this spec. can cause latent failure, Do not confuse no-clean assembly materials (nocleaning required) vs. clean chemistries that must be cleaned. You do not want ionic contaminants on your products.
Electronics Forum | Tue Jul 19 17:48:16 EDT 2005 | saragorcos
One step is to examine the cleanliness on and around the failing component. There could be an ionic contaminant causing the shorts. Regards, Sara Gorcos www.residues.com
Electronics Forum | Wed May 14 10:52:16 EDT 2008 | arminski
If I'm going to acquire one for my process which is which? cheapest and most effective point of view... thanks and regards,
Electronics Forum | Thu May 15 13:13:16 EDT 2008 | arminski
thanks a lot sir davef. which is better between the two, static or dynamic? localized testing (C3) or bulk testing (Omegameter/Zero Ion)? do I really have to purchase this unit despite having an aqueous cleaner? thanks again...
Electronics Forum | Fri May 16 17:39:19 EDT 2008 | davef
We don't know what your customer expects. If you do a nice chart of your third-party results that show a stable and in-control process, we'd guess your customer would let you slide without buying a BIG dust collector.
