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Re: Can someone point me to the limits of PCA flex allowed near a mounted BGA? This Bga will be on a backplane which will have| 9 April, 1999
| I'm not sure about limits but perhaps underfilling the BGA might easy your mind. Treat the BGA as something similar to a flip chip and dispense underfill around the part. The rigidity gained by the cured underfill may be enough to alleviate some of the stresses.