Electronics Forum | Thu Sep 11 11:11:31 EDT 2008 | gregoryyork
Yes sorry you are right so you have answered your own question anyway. Dry to start runny at the end
Electronics Forum | Thu Sep 11 12:38:45 EDT 2008 | vladig
I'm curious how many knobs have left to be turn? :-) Isn't time an issue in a production environment? Vlad
Electronics Forum | Sat Sep 06 03:48:29 EDT 2008 | rameshr
hai, we r using type 4 solder paste in our pcb assembly process - we are now facing the following problem. 1. two component pads soldering was seemed uncoalesced soldered joint except all the other components. 2. what will be the problem & solution f
Electronics Forum | Tue Sep 09 19:51:59 EDT 2008 | vladig
May be you right, but I spend a lot of time on Technet (a similar site maintained by IPC) and people who posted questions usually come back saying whether the problem has been solved, as someone else may face a similar problem down the road. I think
Electronics Forum | Wed Sep 10 15:28:36 EDT 2008 | slthomas
"I 100% agree that quality engineers can and do solve a lot of problems on the spot." *cough* *snicker* Or did you mean "engineers of high quality"? By and large, the QE's that I've worked with only found, identified, highlighted, or conjured u
Electronics Forum | Wed Sep 10 15:35:21 EDT 2008 | gregoryyork
Do those Balls pass IPC LOL Looks like the paste has been stored incorrectly probably stored stood upright and the flux medium has 'moved' so you have very rich flux areas and getting slumping due to it. Paste in cartridges should be stored flat refr
Electronics Forum | Thu Sep 11 10:51:56 EDT 2008 | slthomas
ISSG, I didn't see you mention anything with respect to profiling. Should we assume that you've already ruled out any thermal issues? Based on the proximity of your problems to a big honkin' connector that's where I'd have looked first. But then a
Electronics Forum | Wed Sep 10 10:04:52 EDT 2008 | vladig
And I bet you are not alone :-). All I'm trying to say is that there are problems which can be fixed by knob turning, but there are also others which can not. So, the appropriate analysis should be done to find the root cause and fix them. In the re
Electronics Forum | Wed Sep 10 11:34:05 EDT 2008 | patrickbruneel
Amen to that!!! When I was still on the production floor and had problems I couldn't go to the production manager and tell him/her we had to shut down the production line and have the boards send in for analyses. (He/She would have seriously questio
Electronics Forum | Wed Sep 10 14:56:57 EDT 2008 | rarnold
I am dealing with a similar uncoalesced solder issue. This defect has come and gone several times during the last 6 months. See image. In my case, I am using conventional SnPb solder and an entire strip of my OSP finished board (includes various de
