³Ô¹Ïtv / ENGINEERING EXPLANATIONReview sequence: BGA Package Types1ClassificationConstruction, interconnect and outline labels arenot conflated.2Ball mapView, numbering, population and pitch areverified.3Board interfaceLand pattern and escape geometry are reviewedtogether.4BuildHandling and verification apply to the exactorderable package.Illustrative geometry only. Not to scale, a production setting or evidence of qualification.