Electronics Forum | Tue Apr 13 11:33:36 EDT 2004 | swagner
Arcandspark, I am having the exact same problem with a prototype product I ran last week, could you please give me a call about this so we can compare some notes. S. Wagner (260) 920-6072
Electronics Forum | Fri Apr 30 15:13:55 EDT 2004 | SWagner
You could comprimise on the E-Fab stencil and buy a laser cut nickle, it will have similar release characteristics to an E-Fab and only costs $600, they can be purchased from Stork Veco, they are located in Europe.
Electronics Forum | Tue Apr 13 19:40:51 EDT 2004 | davef
Oy. So, what's your thinking on employing a contract cleaning specialist, until you have a proper cleaning system up and running?
Electronics Forum | Tue Apr 13 19:59:21 EDT 2004 | davef
Most 1.27 pitch BGA can be cleaned with modern machines. As far as the timing of cleaning OA flux res, obviously the sooner the better. After that different fluxes are different. This must be a common question for cleaning professionals. They pro
Electronics Forum | Sun Apr 18 19:55:21 EDT 2004 | Ken
Sounds reasonable. If there was NC flux "crud" on the balls, the vision processors of our P&P would have detection issues.
Electronics Forum | Wed Apr 14 12:27:49 EDT 2004 | pjc
try Indium Corp's SMQ230. http://ncsmq230.indium.net/ Peak "on board" temps of 229C with good wetting have been obtained.
Electronics Forum | Mon Apr 19 14:24:50 EDT 2004 | Debi
i hope that this forum read people who have possibility work with Microflex and DEK 248 and i want to know their opinion. Debi
Electronics Forum | Tue Apr 20 11:06:58 EDT 2004 | mrmaint
Hi Debi, I have worked with both these printers in the past. Had some problems with the DEK. Take it for what it is worth but the MPM seemed more dependable than the DEK.
Electronics Forum | Fri Apr 23 12:47:29 EDT 2004 | barry
I have increased my peak to 220, and Flow is better, but it still not quite a good fillet all around. The solder tends to kinda "bunchup" at the toe of the lead. If part is Pb free, would this affect adhesion and or flow?
Electronics Forum | Mon Apr 19 15:19:34 EDT 2004 | wgaffubar
I have seen problems when printing below 18% with our paste. We use a swamp cooler to dump moisture back into the room. It usually get to about 28% and the printing issue disappear. arcandspark