Electronics Forum | Fri Sep 18 06:56:57 EDT 2009 | davef
What is your customer's specification for cleanliness?
Electronics Forum | Thu Sep 17 14:11:28 EDT 2009 | mikesewell
Try AMTECH 4300. Although a No Clean, it can be cleaned with only hot DI Water. A saponifer will help but the residues are easy to remove. RELO classification.
Electronics Forum | Thu Sep 17 12:22:43 EDT 2009 | babe7362000
I was hoping someone could help me on this issue. We currently have this customer that needs their board extemely clean. We have tried many cleaning solutions at no end. We used an ionic cleaner still did not work. Their test is very tight and I w
Electronics Forum | Thu Feb 15 04:22:22 EST 2001 | msaad
This message has nothing to do with BGA short, but I spent 30 min trying to find out how to post a new message but I couldn't find it!!! My question is: Does any one know what is "No residue low tack adhesive film used for registration" is used fo
Electronics Forum | Thu Feb 15 19:44:50 EST 2001 | davef
I assume Roland [er someone like that] explained on the Main Conference also known as the Forum, the blue "New Thread" button near the middle of the page and 1 1/2" in from the right margin as the preferred way for posting a new thread. [Well, if th
Electronics Forum | Tue Oct 31 21:49:38 EST 2006 | davef
First, we assume the white residue is only on the connector and not on other components. That would imply that either: * White stuff was on the connector when it came in-house from your supplier. [Confirm this theory by baking some connectors from
Electronics Forum | Mon Dec 13 16:25:37 EST 2004 | saragorcos
Hi Scott - No clean assemblies have a very low tolerance for processing residues, and long term reliability is compromised if residues from incoming bare boards, components, or un-solublized flux residues are not dealt with. It is critical to contro
Electronics Forum | Fri Apr 07 17:17:55 EDT 2000 | Dave F
Ashok: You should select and use low residue tapes. But ya know, ya go out and research a great tape and if yer not careful, the buyer will second source ya and (surprise) ya got residues again. We have found that Lemme say this about Katon tape
Electronics Forum | Mon Jan 08 10:29:15 EST 2007 | jaime39
The water soluble flux residue is staying there because the rinsing temperature it may be too low. The flux needs about 130-140 degrees celcius to become soft. If you are using water soluble flux, as per IPC A 610 standards it needs to be remove comp
Electronics Forum | Tue Dec 07 17:40:30 EST 2004 | davef
We'd suggest listening to your CSP component supplier. The standoff is too low. Check with your flux suppliers for the information you seek.
winsouce.jpg)