Electronics Forum | Mon Jul 01 21:55:59 EDT 2002 | Gang shen
oh,sorry,my expresion is not clear.the problem is that about one sixties of BGA is deviation from the proper position one line. my place machine is IP3,the part data of the BGA is okay(in my opinion),our "test vehicle" is poor just by human eyes,with
Electronics Forum | Fri Jun 21 13:05:58 EDT 2002 | surinder
Hi Stephan, Thanks,Yes there are thieving pads on Ic's .Also the two QFP, which mention,that will be removed by modifying the design in long run ,if the results/Yields are okay as with Glue as Compared to solderpaste process. Yes you are right here,b
Electronics Forum | Fri Jan 24 17:00:56 EST 2003 | razan3
RMA needs to be dry prior to the wave to work. If coverage is good and part orientation is good, then you should be okay. Pad size can be adding to the amount of material left as well. Granted it soldered before fine with .2 long leads, I would di
Electronics Forum | Wed Feb 01 13:32:18 EST 2006 | samir
Whatever you do, don't get a cleaner where they "lock" you into using their Saponifier! I remember at my previous company, getting that monstrosity running was my 1st project - the boob who bought it washed his hands of it and assigned it to me.....
Electronics Forum | Wed Mar 22 21:27:45 EST 2006 | KEN
Find out the lead frame alloy. Cte mismatch can cause the same defect. Ran into this 3 years ago wave soldering with Tin-Copper.....okay, you caught me. I admit it. Wavemaster larry told me about this and I'm posting it under my name. Shameful, I
Electronics Forum | Thu Jun 22 08:49:10 EDT 2006 | russ
Okay I was not thinking of the Suzuki, So I would not have any input there. Zones to me does not include the cooling, I also do not count the top and bottom individually as zones. So to me an 8 zone oven would have 16 heaters that you could set, 8
Electronics Forum | Thu Aug 17 15:13:41 EDT 2006 | samir
I hear Pillarhouse is the "Yugo" of Select soldering! :) Chunks et al is correct that if the innards of the fluxing system are made of non-corrosive mat'ls, you should be okay. I used to deal with the original AT&T Spray fluxers and their spray no
Electronics Forum | Tue Aug 22 18:15:50 EDT 2006 | russ
okay so both the 2005 formulas from interflux are clear alchol based fluxes. Yellow res huh? In looking at the temps here, I would say you might be too hot at both preheat and solder temp. You may be burning flux. How long is dwell time over wave
Electronics Forum | Thu Nov 02 18:13:22 EST 2006 | russ
WE are also going through tips left and right as well with the lead free, thats why it is so environmently friendly you know!!! 10 times the amount of tips now going into trash!! okay back on track here you may wantto try some of the other MFGRS
Electronics Forum | Tue Jan 02 02:30:18 EST 2007 | _____
Ahh yes, 254. Don't give up on the other vision types. 254 can give you skewing as well. Your width and height are awfull close. Even with the 0.5 tolerance it is using the tolerance and saying that it is OKAY. Maybe what you measure is 1.8mm for wit
