Electronics Forum | Mon Mar 21 02:41:29 EDT 2011 | kemasta
Hi It's me again. Our products need to pass a chamber test 45c/36hrs after the PCBA completed batch of functional tests and assemble in to case. We found 1 unit was functioning for 24hours in the chamber, but hang after that. We tried to re-boot the
Electronics Forum | Thu Oct 26 13:26:53 EDT 2000 | ptvianc
Hello: 1. Yes, it is necessary to reball a PBGA after removal from the board. Once the part has been removed, the quantity of solder on the balls is out of control. This condition will not only result in an unacceptable variation in solder quantity
| 1 |
