Patent ID: 8349654

Claim:
A method, comprising the steps of: forming a microelectronic assembly by stacking a first subassembly including a plurality of microelectronic elements onto a second subassembly including a plurality of microelectronic elements, including aligning respective saw lanes of each of the first and second subassemblies with one another, wherein each of the first and second subassemblies has a rear face, and the rear faces of the first subassembly and second subassembly confront one another; dicing through the saw lanes of the first and second subassemblies so as to form individual stacked units; and after the dicing step, forming electrically conductive bridging elements conforming to exterior surfaces of the individual stacked units, the bridging elements electrically connected with a plurality of contacts exposed at a front face of the first subassembly and with a plurality of respective contacts exposed at a front face of the second subassembly.