Resin-sealed chip stack type semiconductor device

摘要

A resin-sealed chip stack type semiconductor device comprises a substrate placed on many balls, a bottom chip to which wires are connected, a top chip to which wires are connected and mounted above the bottom chip, a non-conductive bonding layer which functions to bond and fix the two chips to each other, and a sealing resin which covers and protects all the components mounted on the substrate. The non-conductive bonding layer is provided by die bonding in such a manner that is at least covers the portion of the bottom chip where the corresponding wires are connected and does not allow generation of a gap between the two chips.