Electronics Forum | Wed Dec 13 11:11:20 EST 2000 | CAL
CONFUSED???? The the "BIG-chip-in-the-middle" on my image is IC732. IC304 is the 52pin QFP to the right of the "BIG-chip-in-the-middle".If it worked when the "Thingy" was there and does not work when the "thingy" is not there good indications are you
Electronics Forum | Tue Oct 10 08:51:26 EDT 2000 | John
Thanks for the responses, and I tend to agree. I would much rather go through a more structured continuous improvment process (set goals, meet them, set new goals and so on). Our company is rather small and made the jump from all through hole to mi
Electronics Forum | Wed Aug 16 22:32:15 EDT 2000 | Dave F
John: It's easy to put parts in the wrong place!!! Isn't it? Starting at the beginning: check the part at incoming inspection ... measure the value upon receiving the part, if it's possible. Verify the marking on the part. Next: Prevent things f
Electronics Forum | Tue Jul 18 20:10:09 EDT 2000 | Dave F
Hey Bud: Thanks for the response the other day. We currently use "Jeff�s Method #2: The Drummel Tool." Short answer to your brother is ... yes, probably. Expanding a bit: � It would be surprising not to use a flux to help reflow the solder balls
Electronics Forum | Fri Jun 06 07:37:38 EDT 2003 | mattiasw
Hi! I just wanted to shortly share my experience with AOI machines. We have a VisionPoint from Diagnosys (Same software as in the Photon dynamics machines) and the machine is doing it�s job really good actually...BUT! The machine building quality is
Electronics Forum | Wed Mar 08 17:01:32 EST 2000 | Russ
So far, I have not been able to get any consistant or good results using one of these "problem solvers". I have managed however, to screw up some good processes. I believe that this technology can work though. I would reccomend contacting Speedlin
Electronics Forum | Thu Feb 17 21:45:26 EST 2000 | Dave F
Steve: Wadja mean "I fixed it, now tell me what I did to fix it." Steve, you�re one scary guy. ;-) "Steve�s Longer Pad Theory" - Stubby pads will not make solder flow-up the leads of a QFP100, leaving sparse solder on the pads. Given a choice, s
Electronics Forum | Tue Jan 30 13:53:50 EST 2001 | cebukid
Wolfgang is correct - Dwell Time is influenced by conveyor speed and of course, pump speed. Contact Length (the length of contact between board and wave) is something that you might want to track. Contact Length greatly influences process defects l
Electronics Forum | Thu Feb 15 23:52:31 EST 2001 | Dreamsniper
Hey guys, I ran a couple of profile in our wave solder machine using wave optimizer and this is what i got: Parallelism = 0.0 Immersion Depth = 2.1mm to 2.4mm with varying immersion time from 1.1 sec to 3.1 secs. Contact Length = between 5.0 to 6.0
Electronics Forum | Fri Feb 23 17:35:49 EST 2001 | mattias
Ok. F.Y.I How I could make this work: We use Almit V14, and SMT ovens. You can say that we don�t do our maintenance as good as we should. Our Smt Quattro peaks are equipped with process gas cleaning (wich works quite good actually) I ripped out the