Electronics Forum | Thu Sep 06 17:37:05 EDT 2007 | hakerem
Hi Joris - There is an excellent wave solder guide called "Take No Prisoners" that includes instructions for attacking and eliminating solder balls and preventing their recurrence: 1. Increase Dwell Time Solder balls are normally caused by too much f
Electronics Forum | Wed Nov 04 17:47:51 EST 2009 | locostpp
Q3/2009 been and gone. We are moving forward with low cost p&p, quite a few things have changed. We are applying for a number of patents for the feeders, placement head design, servo design, calibration system , etc... We now expect the price of t
Electronics Forum | Mon Jul 14 09:41:35 EDT 2008 | davef
Q1. Do we really need to follow the IPC J-STD-001 Solder purity? A1. Yes, you should control impurities in solder. Further information: * "Allowable concentration of contaminating elements in solder: impurities are harmless unless their level goes to
Electronics Forum | Thu Sep 11 11:45:28 EDT 2008 | realchunks
At first glance you would think so. But just as in real life manufacturing, EVERY problem can be solder related. Naturally the problems with broken parts, wrong parts, parts made wrong etc... are generally found right ways, so no one really posts t
Electronics Forum | Sun Oct 26 09:05:09 EDT 2008 | tony_d
Hello INGE FI, I know what you are going through. A few years back, I was faced with having to purchase AOI equipment for my business. My selection team and I looked at several different AOI manufacturers. We found that only two AOI vendors were sui
Electronics Forum | Fri Mar 26 09:00:19 EDT 2010 | krish_bala
Thank you Graham for the response. The particular BGA that we currently Bake is a Level 3 BGA, which means the BGA will expire in 7 days after removal. We are currently baking the BGAs once a week for the problem described above. These devices are u
Electronics Forum | Tue Sep 21 21:15:43 EDT 2010 | terrybaker001
Please help, I humbly ask for your opinions on SMT manufacturing supply chains, and I hope to provide you with valuable information to remain competitive in a volatile market. Hello, my name is Terry Baker, I am a doctoral candidate looking for par
Electronics Forum | Thu Nov 04 19:42:21 EDT 2010 | eadthem
We do almost exclusively SMT parts but for solder with a 45 degree fillet angle use vertical light type and a binarise threshold of 128(1/2 dark 1/2 light) and use the 2nd option or dark=dark light=light _|" in vertical light solder fillet is dar
Electronics Forum | Tue Nov 25 18:39:59 EST 2014 | rhcriad
We have an MPM UP2000 stencil printer and have a lot of issues with burned out 6410 driver cards (or driver cards just failing to work). I have looked over these threads and found that this is a common issue with these cards. I understand that thes
Electronics Forum | Sun Sep 02 09:06:42 EDT 2018 | davef
Cold resistance between the tip of the tool and the ground reference, tip current leakage, and tip voltage. per ANSI ESD STM 13.1 J-STD-001 Rev G, Appendix “A” Guidelines for Soldering Tools and Equipment: A-2 BENCHTOP AND HAND SOLDERING SYSTEMS Se
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