Importance

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Abstract

A packaging assembly for a plurality of semiconductor circuit chips is comprised of a plurality of stacked tub-configured structures, each tub-configured structure including a floor portion sized to receive and mount thereon a respective semiconductor chip, and a surrounding wall portion having a top surface upon which a first arrangement of tub-to-tub bonding pads is formed and a bottom surface upon which a second arrangement of tub-to-tub bonding pads is formed. The first and second arrangements of tub-to-tub bonding pads are mutually aligned with one another along normals to the top and bottom surfaces of a tub, and an interconnect lead network connects a terminal pad of a respective chip with a respective bonding tub-to-tub bonding pad. Each tub-configured chip mounting architecture has an identically configured pad extension layer associated with the same prescribed bonding pad. Conductive pad-to-pad vias extend through the surrounding wall portion between respective ones of the first and second arrangements of tub-to-tub bonding pads at an angle offset from normals to the top and bottom surfaces of the tub. As a result, angularly offset via paths are provided through the stacked tub-configured structures.

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First Claim