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289 ball BGA details / Reflow results

Question asked by dav on Jan 2, 2011
Latest reply on Feb 2, 2011 by JoeT



I've been looking for detailed info about the Blackfin 289pin CSP BGA package. Especially the Via diameter on the actual package to make sure the ratio between the land diameter on pcb to make sure they are close to equal.


Also, anyone here who can share their results and experience from assembling these? 

Like plating used for pcb, smd/nsmd pads, microvias in pads, etc / Vapour phase or IR.