Electronics Forum | Tue Sep 25 23:09:23 EDT 2018 | franknguyen
Hi, We are PCBA production company which factory's located in Vietnam. Somtime, we have to analyse failure of product to find out the root cause (ex: Micro-crack of solder joint under BGA IC...). We are searching labs around Asia (Vietnam, Malaysia,
Electronics Forum | Thu Mar 13 01:42:58 EDT 2008 | Sean
Thanks Real Chunks and Davef...Yours input is valuable to me. My inputs towards your question asked below: Questions are: * Why did you tell us the following? "This BGA is installed with heatsink (with hook at both side of the heat sink) manually b
Electronics Forum | Fri Mar 14 11:25:02 EDT 2008 | hegemon
ol' hege has got to agree with Chunks and Dave. Seems every time there is a problem, the finger is first pointed at the process. For my $.02 it doesn't matter if your process is 100% bulletproof, procurement will screw it up by finding a vendor that
Electronics Forum | Thu Jan 27 04:02:00 EST 2011 | richiereilly1
Hi, We had a similar issue to this. When we examined the boards at x-ray there were no apparent defects, We sent the boards for Dye and pry testing and we found that there were crack or gaps between the paste on the PCB and the BGA ball. basically th
Electronics Forum | Fri Mar 06 07:15:38 EST 2015 | saoasasd
Hi, I have faced some problems with DQFN PACKAGE 132 PIN. After some cross sections and dye pry analysis we could find a head on pillow situation always on inner row pads. The PCBAs are double side and the DQFNs are assembled on Bottom side (Noteboo
Electronics Forum | Tue Apr 07 14:56:30 EDT 2015 | davef
Try a beer can opener, like thi: http://www.foodservicewarehouse.com/american-metalcraft/cab45/p386302.aspx?utm_medium=cpc&utm_term=American-Metalcraft-CAB45&utm_campaign=Bottle-Openers&utm_source=googlepla&source=googleps&utm_content=googlepla|mkwid
Electronics Forum | Mon Apr 05 14:25:56 EDT 2010 | krish_bala
Hello Bob, What makes this problem even harder for us is that we are not the manufacturer of this particular board. We are just performing re-works on them based on the issues they come in for, and thus refurbishing the unit. We are currently in th
