Electronics Forum | Wed Nov 21 19:45:36 EST 2001 | Yngwie
Hi Guys, I need help. I�ve a trouble with non-wetting problem on the lead of 208 pin, 20 mils pitch QFP. We are on intrusive reflow. I never faced this problem before on this product after running them for about 2 years now. This occurred on one pa
Electronics Forum | Wed Dec 05 17:48:58 EST 2001 | Mike Konrad
There are a few good de-fluxing chemicals and many more �not-so-good� de-fluxing chemicals. As a manufacturer of cleaning equipment, it is imperative that our customers use a de-fluxing chemical that: #1: Removes flux #2: Is environmentally safe
Electronics Forum | Fri Apr 19 12:27:09 EDT 2002 | jeffreybrown
I have read with interest this string of opinions about support of old machines. I am the service manager of Contact Systems and I deal with customer support every day. Our policy is to treat all owners of Contact machines in an evenhanded way. The w
Electronics Forum | Wed Jul 03 11:37:36 EDT 2002 | fmonette
Dason, I apologize if some of the information sounds redundant but I don't think I explained my point very well (and the standard can get really confusing at times). I definitely agree with using C-SAM to look for internal defects. My only advise i
Electronics Forum | Wed Aug 21 12:57:41 EDT 2002 | dragonslayr
I would like to address several issues. First, your reflow is 150 PPM for the same exact assemblies that have lower PPM's? or are you giving a 150 PPM rating for all products produced through the reflow process in a specific time period? Reflow is a
Electronics Forum | Thu Apr 10 09:28:14 EDT 2003 | chrissieneale
Thanks for your replies guys, there's some good info there. Dave, answers to your questions: The stencil was initially a big problem as with the Egineering Model's (EM's) and Engineering Qualifing model (EQM's) we kept getting short circuits due to
Electronics Forum | Tue Aug 10 16:55:19 EDT 2004 | mriddle
RS, It seems you've been doing your homework. However, the real question is what do you need to do with AOI? 1) What is your minimum cycle time? This would help you to determine the speed you need and whether "scan on the fly" is warranted. Also,
Electronics Forum | Wed Nov 02 14:31:55 EST 2005 | erokc
First about the forum posting, my displayed name "Dave" comes up as my logon name "erokc" on this computer, not so on another computer I use??? Author names that allow email can be selected like "Dave". Bobpan, click on "Dave" to send an e-mail. Y
Electronics Forum | Wed Nov 23 17:01:23 EST 2005 | adlsmt
You may want to look at Universal Instruments as well. We had Assembleon, Panasonic and Contact systems equipment and decided to try to pick one platform for the future to simplify programming and training. We are a high mix CM that also does high vo
Electronics Forum | Wed Feb 15 19:20:46 EST 2006 | Mr. Samir
Russ, On both instruments, I ran them through the wave 20 times each using identical profiles and wave parameters, and then used statistical formulas to measure the variation and repeatability of each. I had these all in Excel, but that was around 1
