Electronics Forum | Thu Feb 21 13:08:06 EST 2002 | vincent_f
Hello, I had recently a problem of crack between the solder ball (SnPb) and the Ni layer of the PCB pad. We use Electroless Ni/Au technology for PCB. This phenomena is amazing because the crack is very clean (straight) and it creates a space betwee
Electronics Forum | Mon Aug 11 09:59:40 EDT 2008 | John S.
Guys, We're seeing what looks like an issue where through hole solder joints from our ive solder process are cracking during the cooling phase of the soldering process. This was detected during thermal shock testing, and we have tracked it back to a
Electronics Forum | Thu Sep 24 18:57:03 EDT 2009 | davef
From "siliconfareast.com": Basic Die Cracking FA Flow 1) Failure Information/Device and Lot History Review. Understand the customer's description of the failure, i.e., the failure mode, where it was encountered, what conditions the sample was subject
Electronics Forum | Wed Sep 13 10:25:00 EDT 2000 | Charlie
Hello, Can you tell me the prime cause of cracked solder joint on a surface mount part? Charlie,
Electronics Forum | Mon Jun 18 18:18:43 EDT 2001 | davef
Finding and troubleshooting cracked BGA solder connections are a real pain in the neck. Please describe how xray fits into this process, the type of machine used, and how that machine is used in conjunction with other equipment.
Electronics Forum | Wed Jun 20 21:07:44 EDT 2001 | davef
Exposing MS parts longer than the part manufacturer's recommended exposure time opens you up to cracked plastic. [Ha!!! Did you see that play on words??? "Opens you up to cracked plastic" ... that's GREAT!!! The subtile interplay of word with mea
Electronics Forum | Wed Jul 10 22:32:46 EDT 2002 | redmary
i just find the gap inside the component from the cross-section, it indeed exists the interal crack, not solder joint crack. but why the failed capacitor is well after some time. and the other suspicion is the quality of the component.
Electronics Forum | Fri Jun 20 10:27:19 EDT 2003 | Cristiano Dick Smiderle
Hi We are experiencing serious problem with ceramic capacitors. They are with low electrical resistence and the problem is intermittent. We found some of them with micro cracks but not all. What could be the causes for this problem? We are su
