Electronics Forum | Sat Nov 08 09:42:22 EST 2003 | ethercom
Hi: I have seen this problem before. It is caused by improper curing of solder mask by the fab manufacturer. When you run the board thru' wave solder, and then wash the board, you see the problem of white residue. However, when you apply heat, you c
Electronics Forum | Thu Dec 04 07:30:50 EST 2003 | ex maintain leader
Hi Grant, I'm ex Fuji Service Engineer, Fuji GP 6xx is the best but for companies in ultra high tech (2 side cleaning+ long life operating, BUT not easy to teach the technicians). Ask Panasert create series is also well durable, but I newer use yust
Electronics Forum | Fri Dec 12 17:19:08 EST 2003 | davef
Here's two angles to think about. Solder goes to the component and not both the board and the component because: * Component lead is much hotter than the the pad on the board. [This probably doesn't apply in your case, because it doesn't repeat fro
Electronics Forum | Fri Jan 30 16:49:21 EST 2004 | Mike Zadrejko, Videotek, Inc.
Barney, We currently have 3 Contact Systems machines, (1) C3AV and (2) C3AVXs and I can't say enough good things about the machines or the support. It has always, always been there since we started dealing with them in 1991. The Service Dept personn
Electronics Forum | Tue Jan 13 12:43:24 EST 2004 | cyber_wolf
I have to disagree with Fastek. We only use dedicated tooling on our AP machines. Dedicated tooling pros: *Set up time is 90%+ faster than universal tooling. *It is very easy to train operators to install dedicated support plates. *You do not need
Electronics Forum | Thu Jan 29 16:10:09 EST 2004 | blnorman
Another equipment manufacturer is Smart Sonic. Most equipment manufacturers have their own chemistries, but they are also willing to use other cleaners. What we have done is to send boards that need to be cleaned to the equipment manufacturer. W
Electronics Forum | Wed Feb 11 13:44:03 EST 2004 | stockley
Aw... you've gone and woken me from my slumbers again. But I'll take the bait anyway. Seems to me that it is the big brand name American and European corporations that are "destroying the American manufacturing industry"... oh yes, them and all the c
Electronics Forum | Wed Feb 11 20:59:05 EST 2004 | vinhmach1
Hi, We are all getting the similar thought. I heard other story like the oversea gorverment (China, Brazil, Vietnam...) are taxing $$$$$ for incoming finish products up to the sky per Items. From Automotives to Electronics and others. That forcing
Electronics Forum | Mon Feb 16 15:47:54 EST 2004 | Jim
I have about 200 PCB's from which a 20mil pitch QFP must be removed, cleaned and re-used (will place them back in trays for the P&P machine to place the parts on new boards). My intitial concern is: how can we remove the parts in an efficient manner?
Electronics Forum | Tue Feb 17 10:55:49 EST 2004 | bobbyv40
Hi Dave, 1. As far as speed of removing componants, we use a board preheater to bring board temp to about 150 C. Then add a flux and then flood all 4 sides of the componant with the low temp solder. Using a suction tool the part comes right off. The
