Electronics Forum | Thu Mar 30 22:04:39 EST 2000 | Dave F
Armin: The stuff that Jax says is spot-on from a "bean counter" stand-point. Not that I'm say that Jax is one, he's aparently had training in dealing with them. But there's another apect that doesn't show on the spreadsheets and factor anaylsis. I
Electronics Forum | Wed Sep 12 17:57:29 EDT 2001 | CyberVilla
Cal, I can only respond by saying that the question relates to one important word "Reliable". If you feel that you have found the special touch to provide accurate and repeatable results, then I applaud your hard work. Also, a counter attack by co
Electronics Forum | Fri Jul 20 13:19:18 EDT 2001 | davef
According to the summary page of the main forum, the following thread: "Oven Throughput Pete July 19, 2001 10:31 PM" � has 6 postings to the thread. But when one opens the thread, there are only the following postings on the tread: "Oven Through
Electronics Forum | Tue Apr 21 22:10:58 EDT 1998 | Steve Gregory
Hello Cunli!!! I just wanted to say that I really appreciate this page, and thank-you for all that you've put into it! What's really impressive is that you watch what's going on and don't hesitate at all to change whatever you need to in order to
Electronics Forum | Mon Oct 28 08:54:57 EST 2002 | Chris Lampron
Good Morning, I think that the use of No clean at SMT and the use of WS at wave is counter productive. For the most part, you will get better results using WS at SMT. If you use No Clean, and then are forced to run this thought a water wash as a req
Electronics Forum | Thu Apr 10 20:57:03 EDT 2003 | Ray Chartrand
I've also seen "as received" defective devices. A tier 1 EMS I was working with put down an entire shift worth of these devices before it was noticed. Their rework costs were $$$. Just goes to prove that there's no free ticket and when bean counters
Electronics Forum | Sun Apr 24 09:12:00 EDT 2005 | davef
We're not sure what your customer is talking about either. Gold and tin form an intermetallic compound [IMC] that can cause poor solder connections. To minimize the potential of a problem, keep gold to less than 3 percent of the metal. [Search the
Electronics Forum | Thu Oct 27 11:45:06 EDT 2005 | Jeffm
I have a multi layer (8) PWB with blind vias going from 1 to 7 that is experiencing occasional blistering (delam). It is only on perhaps 15% of the boards run. We vacuum baked (85C, not sure what pressure) a sample lot and still had a few exhibit the
Electronics Forum | Tue Aug 01 16:39:24 EDT 2006 | slthomas
Our problem is with the chamber beneath the drying section, where the blower is. The drying section vents directly into the chamber beneath it where the blower intake is, which is great for equalizing pressure but really counter to presenting dry air
Electronics Forum | Tue Aug 15 10:55:23 EDT 2006 | chrisgriffin
Some software versions won't allow a brightness change with the next button. You should do a histogram test. Place a board on the worknest, then a smooth white card on top of that. Then jog the camera over the card. Raise the Z-axis to it's softwa
