Patent ID: 8080445

Claim:
A method of making a semiconductor device, comprising: providing a first substrate having a plurality of first conductive vias formed partially through the first substrate; mounting a first semiconductor die over the first substrate electrically connected to the first conductive vias; providing a second substrate having a plurality of second conductive vias formed partially through the second substrate; forming an interconnect structure over the first substrate or second substrate; depositing a penetrable encapsulant over the second substrate; mounting the second substrate to the first substrate to embed the first semiconductor die and interconnect structure in the penetrable encapsulant; removing a portion of the first substrate to expose the first conductive vias; removing a portion of the second substrate to expose the second conductive vias; forming a redistribution layer over the first substrate electrically connected to the first conductive vias; stacking a plurality of semiconductor devices; and electrically connecting the stacked semiconductor devices through the first substrate, second substrate, and interconnect structure.