Electronics Forum | Tue Jun 30 12:08:55 EDT 2009 | wrongway
sipad does work we used it on one assy it had a very fine pitch part on it and at that time our dek 260 wasn't up to the task along with our 8 mil stencils. we had no problems with it it was sticky enough to hold the parts on thur all smt machines.
Electronics Forum | Thu Sep 09 05:23:10 EDT 2010 | 15009
You can reduce and almost eliminate voids and other paste related defects in LGA's BGA's, QFN's etc, by using solid solder deposit. Its been around for 24 years, 13 in the US. It is now included in the new IPC 7093 specification for bottom terminat
Electronics Forum | Fri Nov 16 08:18:25 EST 2001 | Matt Kehoe
Dave, Sorry, but I did not answer all your questions from your earlier message. Your Question Are you saying that these products were not developed in Euroland? Answer Well, SIPAD was invented in Europe, 1986, Siemens Lab in Munich Germany. Optip
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
Electronics Forum | Thu Jul 05 06:38:35 EDT 2001 | Danial
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
Electronics Forum | Tue Feb 11 12:59:26 EST 2003 | matherat
The assembly process involves activity before you get to reflow. Reflowing is the easy part. Putting paste down and placing parts in wet paste is the terrifying part. Benchtop reflow ovens can be a real handy tool for small production but with the g
Electronics Forum | Wed Jun 18 16:03:03 EDT 2003 | mkehoe
Orrrrr, just buy a small reflow oven, 5K to 7K, and eliminate the paste printing by using solid solder deposition. No shorts, no opens, no cleaning, and no voids. www.sipad.com If you decide to print your own paste later you can invest the extra 30
Electronics Forum | Fri Aug 08 06:44:33 EDT 2003 | Matt Kehoe
Emergency!!! We have a small run (5) of very dense boards that have an immersion tin finish. They were built in April/May and have a heavy tarnish appearance on them, smd pads and through holes. We are being asked to apply ssd to the surface mount pa
Electronics Forum | Fri Apr 02 09:41:45 EST 2004 | mattkehoe
We are in the process of purchasing a mole for our reflow oven. We've only looked at one model and it works well however, my accountablilty partners desire that we look at other options before we make the decision. Looking at about 3k. Opinions from
Electronics Forum | Fri Apr 02 15:59:04 EST 2004 | russ
Matt, are you still just doing SIPAD? If so, Manncorp has a profiler for about $1k It requires a p.c. to be hooked up while profiling and it won't take data points any faster than 1 point every 2 seconds. but could be adequate for your needs. (www.
