Electronics Forum | Thu Mar 14 17:28:35 EST 2002 | stepheno
I worked with Fuji CP6 where one of the techs wanted a minimum of part data's. He was used to working with panasonic machines. We would get resistors broken in two if the part data was too small and parts flying off the board if the part data was t
Electronics Forum | Thu Mar 28 11:06:49 EST 2002 | Tony Fox
Our company carries out this service for major OEM and CEM's Our web site address is http://www.retronix.co.uk Every device after it has been re-tinned gose throught a vision inspection system were it is inspected for coplinarity etc, we also re-ball
Electronics Forum | Tue Mar 19 08:19:19 EST 2002 | H. Koga
Dear all: For a dramatic design mistake, we have to exchange a VSOP chip on a few thousands of already assembled PCB's. This is in addition of removing 2 & adding another 2 chip components. What do you think is the best method, technique or tool co
Electronics Forum | Tue Mar 19 17:30:46 EST 2002 | rculpepp
Does anyone have or know of any published guidelines for BGA layout on PWB's so that they can be tested. Specifically using micro vias? If anyone has any input regarding other test considerations for BGA devices I'd like to hear from you as well. W
Electronics Forum | Fri Mar 22 17:41:53 EST 2002 | dougt
Based on a previous question, I'm interested in learning about some of the strengths/weaknesses of machines in the pick and place industry. I'm not looking to buy a machine so I'd appreciate it if the reps would stay out of it, I want to hear from t
Electronics Forum | Tue Apr 02 11:21:46 EST 2002 | BTaylor
davef I assume this question is for my reply and me. We used a dexter\hysol underfill and a Camalot 5700 to dispense.Single line technique next to a small IC with 14 bumps around the perimeter.The conformal coating was applied with a small brush aro
Electronics Forum | Tue Apr 02 22:52:38 EST 2002 | davef
Tks BT Can't be many places tougher than automotive, 'cept maybe oil field, down pipe. We use Dexter Hysol flow underfills for both 1 thou and 3 thou gaps, but they wouldn't come close to filling under a BGA. Most BGA are sitting about 16+ thou fr
Electronics Forum | Thu Mar 28 10:11:00 EST 2002 | cyber_wolf
I use a .059" copper clad sheet of FR4 that I bought from one of our board houses. It has not started to delaminate yet, and it has been through our ovens several hundred times. I am not sure what the life expectancy of a thermo-couple is. I am not 1
Electronics Forum | Sat Mar 30 05:51:34 EST 2002 | bayanbaru
We are using barcodes but we still end up with wrong parts. Apparently some operators fail to scan the reel. We are pretty strict on this, we even issue 'warning letter' to operator for failing to scan. We see some reduction in wrong parts but not to
Electronics Forum | Mon Apr 01 13:11:33 EST 2002 | BTaylor
I would like to know if this group has any preferences to any capacitor manufacture. Any good or bad experiences with certain companies, we are going through some issues. This group has many years in this field and I would like to hear your feedback
