Electronics Forum | Mon Mar 06 09:19:50 EST 2006 | russ
I have had the purple silkscreen, I don't remember the exact details but it was from either an incomplete cure or a mixing issue. End result was no problems just looked funny.
Electronics Forum | Fri May 21 13:24:26 EDT 2021 | rieko
Would anyone know the issue with caked on flux residue coming out of a 10 zone reflow oven? I appreciate anyone's feedback and suggestions, thanks in advance. We are using Indium 10.1 no clean solder paste.
Electronics Forum | Mon Mar 13 09:09:37 EST 2006 | russ
Our PCB also had this process.
Electronics Forum | Sun Jul 27 19:37:15 EDT 2008 | srt
yup,only happen on PBGA .we alreary follow the solder paste profile.
Electronics Forum | Tue Jul 29 10:41:51 EDT 2008 | realchunks
try baking the part before repair.
Electronics Forum | Fri May 21 15:53:01 EDT 2021 | emeto
You should clean your cooling zones.
Electronics Forum | Sun Mar 12 19:09:45 EST 2006 | cmiller
We had the same issue on a batch of boards and the board house concluded it was because they did the sikscreen before the imersion gold. (which was done out of house-which is very undesireable). I never knew if this was really the case but thought I
Electronics Forum | Wed Jun 20 07:59:56 EDT 2007 | avalancher
The issue you are seeing is in fact the Battery that is in your machine. It looks like a motorcycle battery. It is usually located somewhere in or around your power supply. It should be reading an output of 18V. This battery is used in the event of a
Electronics Forum | Thu Jul 24 21:20:58 EDT 2008 | srt
Hi, Now we also facing voiding issue after rework .But this only happen to 1 BGA from diffrent PCBA.We also already change 3 type solder paste and fine tune the profile follow solder paste spec but problem intermitten happen again.Pls help to advic
