Hi all
We have 0.4mm pitch bga and board thickness have become 280 mills ,we can not drill a 5 mills via with 8 mills pad upto this thickness,what is the solution,any suggestions?
Regards
Nayyier
Hi all
We have 0.4mm pitch bga and board thickness have become 280 mills ,we can not drill a 5 mills via with 8 mills pad upto this thickness,what is the solution,any suggestions?
Regards
Nayyier