Electronics Forum | Sat Mar 14 09:12:59 EDT 2009 | davef
First, there is no good justification for getting solder on gold fingers. Second, it is well known that solder on gold fingers is unacceptable. So, shipping boards with that condition indicates sloppy quality practices at your CM. Third, that being
Electronics Forum | Thu Mar 17 09:53:20 EDT 2011 | rperkins
Hi Graham, I've worked in the industry selling EnSolv, Lenium, and now ENTRON solvents, which are all based on stabilized NPB. These solvents do not always clean the no lead pastes. The problem is that the pastes are becoming more like adhesives,
Electronics Forum | Mon May 14 12:44:08 EDT 2012 | tomgervascio
I am a user of an Ersa Versaflow 3/45. I was wondering if anyone could share some process pointers. I have a 0.125" multilayer PCB that I am having problems consistently achieving 75 percent hole fill on a mini-coax connector. The coax connector ha
Electronics Forum | Tue Apr 19 16:20:05 EDT 2016 | davef
Don't blame it on the poor paste thickness requirement [although I might go on to argue that it's could be a contributor to the issue]. Most likely you're the problem. About 70% of the time solder on gold fingers is caused by poor cleaning of screen
Electronics Forum | Mon Apr 26 16:39:46 EDT 1999 | JohnW
| | Hello all, | | | | Our guys here still have some questions on the "optimized" profile which sees a more moderate ramp up straight to reflow temperatures versus the conventional profile which has a plateau at around 150 Celsius. If the optimized
Electronics Forum | Wed Apr 21 02:28:39 EDT 1999 | Jeff Sanchez
| Jeez, | | I just about had a fine Mexico thing going, or was that in my dreams? Probably, but thanks for the future X possibility. | | OK! Let's keep this thing technical. Let us not dwell on the emotionally charged moment of my return. However,
Electronics Forum | Wed Apr 21 09:47:19 EDT 1999 | Chrys Shea
| Jeez, | | I just about had a fine Mexico thing going, or was that in my dreams? Probably, but thanks for the future X possibility. | | OK! Let's keep this thing technical. Let us not dwell on the emotionally charged moment of my return. However,
Electronics Forum | Wed Apr 21 12:24:42 EDT 1999 | Justin Medernach
| Jeez, | | I just about had a fine Mexico thing going, or was that in my dreams? Probably, but thanks for the future X possibility. | | OK! Let's keep this thing technical. Let us not dwell on the emotionally charged moment of my return. However,
Electronics Forum | Wed Apr 21 19:02:53 EDT 1999 | Earl Moon
| | | Jeez, | | | | | | I just about had a fine Mexico thing going, or was that in my dreams? Probably, but thanks for the future X possibility. | | | | | | OK! Let's keep this thing technical. Let us not dwell on the emotionally charged moment of
Electronics Forum | Thu Apr 22 17:07:13 EDT 1999 | JohnW
So u gave Mexico up for us...we're all touched ( apparently the net now have a Doc to confirm this hehehe) it's great to see u back, John | Jeez, | | I just about had a fine Mexico thing going, or was that in my dreams? Probably, but thanks fo
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