6-Joyce-Board Test Workshop 2005.pdf

Gage Locations• BGA rosette placement 4 gages– MCH, ICH, LAN or defined componentOffset from the packageedge 0.14”e1e2e32 133211 2 3 1 2 3• The center of the rosetteshould be placed at theintersection of two linesoffset from the package edge0.14” +/- 0.01”• Grid strains e1 and e3should be oriented parallel tothe edges of the package.• e2 should be orienteddiagonally away frompackage, with respect to theedges of the package, asshown.20