Electronics Forum | Mon Nov 07 08:27:56 EST 2005 | chunks
It could be you are drying out your solder paste. Most flux formulations are alcohol based and after a few hours can dry out. This can can lead to dewetting and solder balling as well. Especially if you do not homeplate your R's and C's. A simple
Electronics Forum | Mon Nov 07 09:57:43 EST 2005 | james
Does anyone else know where you can purchase parts for quad 8mm feeders instead of directly buying them from TYCO. In the past 2 months their costs went up over 50%. I order the pins already from another vendor but that is it. Thanks
Electronics Forum | Mon Nov 07 16:34:55 EST 2005 | CW
If I am putting chip capacitors on a .063 FR4 board, what size package should we stay away from to avoid cracking? If I use 2 mil copper on the outside layers of a PCB, am I limited to what pitch of parts I can use? Specifically, will using 0603
Electronics Forum | Tue Nov 08 20:20:32 EST 2005 | davef
Necessary tools are: * Chisel * Ball peen hammer After you buy two new nozzles, keep one in a baby food jar filled with your underfill suppliers recommended solvent for half the shift. At the break, swap the dirty nozzle on the machine with the cle
Electronics Forum | Fri Nov 11 09:41:12 EST 2005 | Eric C
Thanks for all your inputs. As I read through your responses, and through my research on the web, I have learned there are so many options to try and evaluate. The material we are using is loctite FP4531 - a snap cure flip chip underfill. Loctite ha
Electronics Forum | Tue Nov 08 08:39:40 EST 2005 | ingrid_john
I have received an RFQ to assemble 3 PCBA assemblies, interconnected with flexible starrflex cable tails. We have never used this type of cable in our process to date and I was wondering if there is anyone who has knowledge of assembling starrflex ca
Electronics Forum | Tue Nov 08 16:44:15 EST 2005 | slthomas
If it makes you feel any better, we haven't done anything yet. All of our customers claim to be exempt. I haven't had time to look closely enough to verify, but right now I'll take their word for it. We ARE looking at upgrading our oven and getting
Electronics Forum | Tue Nov 08 12:36:07 EST 2005 | kmakiya
We have four new MY12's running version 2.4.3i software. Three have been having a problem shutting down tpsys. This has happened when the machine has been running a program and when editing programs and packages. Anyone seen this problem or something
Electronics Forum | Tue Nov 15 06:46:41 EST 2005 | cyber_wolf
We have an earlier version of TPSYS. 2.4.1c We see this happen occasionally as well. It only seems to happen on our MY-12 machine. Our TP-11's never do it to my knowledge. I highly doubt that it is isolated to your company. If your machines are new,
Electronics Forum | Fri Nov 18 14:19:31 EST 2005 | bk
Well my problem wound up being the intel modem cards Mydata started using. They got a hold of some of the old 3 com modem cards and my problem went away completely. It happened on all my machines using these cards.My one machine which had the old car
