Electronics Forum | Sat Jun 03 03:35:16 EDT 2006 | mika
Yes we do have a problem with this. We have by now investigate numerous lead/RoHS PCBA:s The RoHS boards are by far the most difficult one's to probe and test. Our people at the "test area" including Flying Probe and ICT they spend a lot of time to t
Electronics Forum | Thu May 18 15:13:46 EDT 2006 | slthomas
Should have mentioned that since we don't really know for sure what's causing the failure (we just know that it fails, and that there is unrepairable (by us) damage to the board that was provided by the customer), and can't troubleshoot further, we c
Electronics Forum | Mon Oct 02 17:31:40 EDT 2006 | daxman
ARGGH! I've verified proper airflow, made sure everything is tight and secure, cleaned and lubricated the bearings and nothing seems to help. first few boards are nice...then the next few are really bad..then they kinda get good again. I have no ide
Electronics Forum | Wed Jul 11 14:27:56 EDT 2007 | fredericksr
1) Swapped it out a few weeks ago to attempt to combat the problem ... Great minds eh? 2) I'll try changing the position setting to see if my yields improve. 3) Ahh yes, in fact, I have verified that our vacuum levels are low (range ~130). The
Electronics Forum | Tue Jul 01 21:52:48 EDT 2008 | davef
Have you considered developing your own wave solder super-trooper? * Training course at your equipmemt supplier or daylong on-site training by equipment supplier field service * Training at ACI / EMPF or someplace like that * On-line training at a pl
Electronics Forum | Thu Aug 07 17:25:11 EDT 2008 | jlawson
With Laser centering nozzle condition in terms of slider shafts have to return to same position every time. Please check condition of nozzle and make sure slider extends to full position. If slider sticks it can generate errors as the component appea
Electronics Forum | Fri Aug 08 02:24:04 EDT 2008 | jti
Hi, You were right on the money, the day after I posted, I recalibrated the LASER height .020 off on LA head, .01 off on LAIC, running perfect now. Secondary issue is a flicker on the monitor, the grid stays up after teaching XY coordinates, someti
Electronics Forum | Mon Aug 18 16:54:46 EDT 2008 | jlawson
Great to see running. The Vision Monitor Video comes from the Vision Processor Card, including overlay info, grids etc depending on mode you are in, like teaching etc Why is is on still I can not say, could be software version, there was several ve
Electronics Forum | Wed Aug 20 17:05:42 EDT 2008 | naynayno
We have experienced contamination under flat chip arrays. The lab report is still open but it appears to be dendrite growth. We have been trouble-shooting our process and cleaning equipment. My question is are there any specific design or best p
Electronics Forum | Thu Aug 21 05:08:09 EDT 2008 | ihamon
Hi, We had a electric failure on a printed wired board after a few hours of functionning. We determined that the failure was caused by a open circuit in the PCB internal layer near to a via. We performed a microsection but unfortunately, it seemes t
