Electronics Forum | Tue May 03 15:15:33 EDT 2005 | dphilbrick
The biggest problem is getting paste on the board. We ran a board that had 8 per and would get an occasional insufficient solder joint. I would look into doing the boards with something like a SiPad process (www.sipad.net) My $0.02
Electronics Forum | Mon Jun 20 10:44:29 EDT 2005 | ??
I am sure you can reflow lead free in any oven but i thought i read that lead free requires a cooling stage to get the solder joints reflowed "correctly".
Electronics Forum | Wed Jun 08 04:08:35 EDT 2005 | SB
Lupo, Omron AOI systems are definitely the best and most accurate, with the exception of there desktop system which is poor in comparison. They used to be very expensive , but I believe their new models are well priced. If you want solder joint ins
Electronics Forum | Thu Jun 16 08:41:45 EDT 2005 | ghenning
Hi Fred, Were you able to develop enough confidence with the AOI to eliminate manual visual inspections and save money/time? How did you manage this and still get good solder joint quality? Thanks, George
Electronics Forum | Fri May 27 08:11:27 EDT 2005 | Joris Groot Koerkamp
I have a problem with a Murata cap chip type resonator(ROHS). After the reflow process, the soldering joints flow to one side of the component. I did not have this problem with the leaded component. Did someone have a solution for this problem?
Electronics Forum | Fri Jun 10 19:42:46 EDT 2005 | ktron
Thank D.B. Cooper, actually this LED has 3 sides termination but no termination at underneath of LED. So this LED tends to float rather than performing solder joint during reflow process.
Electronics Forum | Tue Jun 14 17:01:18 EDT 2005 | peter ng
It's impossible to do so.The cooling phase is important to perform the strength of the solder joint.Without this phase,the good solderbility will not able to achieved.
Electronics Forum | Wed Jun 29 17:18:41 EDT 2005 | GS*
Very interesting tread, many thanks to all. Matt please, now what does it mean for you? Will your custmer accept dull solder joints or will the plating be changed ? (ie. HASL, ENIG, etc) Tnks and regards GS*
Electronics Forum | Mon Jul 25 17:20:47 EDT 2005 | Dreamsniper
I'm confused. A paste Supplier suggested to turn off nitrogen during reflow because it is one source of voiding of bga solder joints...is this true? regards, Dreamy
Electronics Forum | Tue Jul 26 05:57:27 EDT 2005 | GS
Why you do not try by yourself ? Run some BGA reflow with and without N2 then X-ray the solder joints. Regards GS
.gif)
