Electronics Forum | Thu Jun 21 07:06:18 EDT 2001 | gdstanton
I'm constantly being flooded with information by sales reps on x-ray and other types of equipment to inspect BGAs. Most of these items are simply beyond our capital budget constraints. I've witnessed dozens of demos, and to be honest, I really don'
Electronics Forum | Thu Jun 21 22:42:45 EDT 2001 | davef
We're doing one of those review things for some reason that none of us can remember. We just printed-out the product sheets on a whole pantload of SMT capacitors [rather than use the old moldy ones we have in some file cabinet ... BIG mistake] that
Electronics Forum | Wed Jun 27 14:23:20 EDT 2001 | Claude_Couture
I just fell off my chair laughing, reading the above... If I may add my two cents, I would give the customer the option of remote controlled collars for the operators. When they are too slow or make a mistake, ZAP! short burst of high voltage... Sam
Electronics Forum | Fri Jun 29 14:50:49 EDT 2001 | dougt
Imagine shopping for a machine like an automobile. Your able to go for a test drive with out a week long class and the gas mileage they advertise is realistic and comparable from machine to machine. All machines have similar options that weren't ju
Electronics Forum | Tue Jun 26 16:43:19 EDT 2001 | CPI
Yes a 6 mil solder deposite will reduce to approx 50% of it's original size. Does this happen on only 1 BGA? Is the BGA that its happening on have smaller balls than the others, what I'm getting to is, are you sure you are depositing the proper amo
Electronics Forum | Tue Jul 10 10:06:55 EDT 2001 | mzaboogie
Hello Dave, Sorry it took so long to reply. When we did our profile we did attach the thermocouples to the lead foot right above the pad. I suppose that the leads could have been hotter than the PCB pads although, other areas that were profiled were
Electronics Forum | Tue Jun 26 12:39:08 EDT 2001 | danial
Our mother company shipped to us a lot of old datecode material and upon running them in the line we experienced non-wetting condition, esplly on the 0402 ( not tombstone ) We have run a dip-and-look test but I guess the method is very subjective as
Electronics Forum | Mon Jul 02 06:01:22 EDT 2001 | wbu
Well, I�ve never encountered any problems with it. If you use paste in the specified window according time and environment there should be no problem. If you try to measure this force you would IMO check out if you yourself did not treat the paste as
Electronics Forum | Wed Jul 04 14:22:51 EDT 2001 | davef
I just rooted through an analysis that we did five or six years ago [so current it aint] and finally found the goods. We talked to Vitronic, Heller, Electrovert, IR, and Conceptronic. Only Electrovert had a 2.75" throat [rail to top of board cleara
Electronics Forum | Thu Jul 05 06:36:14 EDT 2001 | nifhail
Thanx Dave, I agree with you on the planning part...yapp!! the same guy who've thrown an old datecode components to me..now they did it again on the PCB. Well Dave, could you explain a little bit more about the "hi-test flux" that you mentioned ab