Electronics Forum | Wed Mar 19 14:01:24 EST 2003 | MA/NY DDave
Hi You never know about DaveyF, Is he just busting us for our commentary or is he serious. For Me: I love the French and the Germans and the Russians, and the Chineese. OK even the people of Iraq and Iran and N.Korea Oh and we have another lit
Electronics Forum | Tue Apr 01 11:50:08 EST 2003 | rdr
Dave, thanks for the info. This sounds like it would verify the presence of an open. We have verified that these balls are open and I am trying to figure out if we are fracturing or not wetting. causing these opens. I would use the die method on ne
Electronics Forum | Thu Apr 03 09:48:31 EST 2003 | davef
R1: Contacting Altera to find out if the BGA pads are gold. D1: Bet money the pads were ENIG. R2: Contacting Altera to find out if they use abrasives. D2: If abrasives were the problem, you�d see it in many pads, especially those close to the probl
Electronics Forum | Fri Apr 04 13:59:28 EST 2003 | daan
I copied the following text from a recent thread on another smt-forum: Pretty good maintenance programs are provided by: * Data-Trak, Inc.; 135 Oyster Creek Dr; Lake Jackson, Texas, 77566; USA; P: 800.453.3972, F: 979.297.7725; http://www.data-trak.
Electronics Forum | Mon Apr 28 08:52:10 EDT 2003 | davem
Chrissie, I'm glad you (and your people) made it through the painful process of reworking all those BGA's. Hope all your boards sucessfully pass test. Now on to the larger issue. In my experience, the solder paste screen printing process is (along
Electronics Forum | Fri Apr 11 14:53:50 EDT 2003 | MA/NY DDave
Hi A lot of good answers. "No verification was done on the part as it was deemed to be a "straight replacement". Sound familiar?" Yes this sounds familiar, yet I am never sure it is a new supplier or component problem. It could be that the old par
Electronics Forum | Mon Apr 28 11:37:52 EDT 2003 | jax
Herman, Before I get into this I would like to know something. What machine takes the longest to change over? That should be equal to your change over time. If it is not one of your pick and place machines this is all beside the point. I am not sure
Electronics Forum | Mon Apr 28 13:29:22 EDT 2003 | gregp
Possibly. It sounds like attrition is a contributor to your problem. Are you recieving the material with the tapes cut from the customer (consignment) or is this something you do in the kitting process? If you are doing it, how do you maintain prop
Electronics Forum | Tue May 13 15:21:51 EDT 2003 | stefwitt
I know, it can be done and I participated in many acceptance tests, in which we counted even the milliseconds. However, my vision had a bit shifted, since the time the Motorola�s and Flextronic�s dumped all these high volume machines to the market. I
Electronics Forum | Wed May 07 09:31:28 EDT 2003 | davef
We use uV Dymax glue for thermocouple attach sometimes, but don't like the remainder [anal] and loosing attach, sometimes. Roger Saunders, President Saunders Technology, Inc; said: PRO: � These products are easier to use than high temperature solde
