Electronics Forum | Mon Jun 18 11:06:31 EDT 2001 | Gil Zweig
In-line systems are effective in detecting the obvious defects such as solder bridges, missing balls and excessive solder voids. They may not be as effective in detecting the subtle changes in solder bond shapes (signatures) indicating loss or chang
Electronics Forum | Thu Sep 06 11:17:13 EDT 2001 | Steve
I may be wrong, but I'm thinking that nitrogen has less effect on solder bridging as does the amount of solder that is present. Nitrogen allows better wetting becasue there are no oxidation effects. If you have solder bridging problems, look at the
Electronics Forum | Mon Apr 15 09:55:45 EDT 2002 | Tom Van Heuklon
Can anybody explain breifly what some of the effects of flux residue from a no clean process might be on circuit performance? Alternatively, might you tell me where I might find such information?
Electronics Forum | Wed Jul 24 01:02:42 EDT 2002 | Jones
Was wanting to get some ideas about some systems being used to measure Preventive Maintenace effectiveness on SMT equipment. Currently using machine SPC data, defect tracking and PPM's per SMT process. Looking for new ideas and better methods. Than
Electronics Forum | Wed Nov 10 02:13:32 EST 2004 | Grant
Hi, We are thinking about starting to use via in Pad, for both BGA and 0402 and 0201 components. Does anyone know how this would effect production. Obviously PCB production is not difficult, but this should only effect production and assembly. R
Electronics Forum | Thu Mar 10 13:05:41 EST 2005 | patrickbruneel
This phenomenon is caused by a high amount of halogens (Cl, Br etc.) used in the flux activators or in the flux surfactants. We've seen effects creating all colors of the rainbow. Changing to No-Clean (halide-free) will eliminate this color effect.
Electronics Forum | Sun Jun 17 20:03:57 EDT 2007 | davef
We agree. Further, Captcha is not very effective in limiting the ability of computers to replicate the entry code. But the good news is that the verification software that is effective in preventing computer scanning is doubally difficult for human