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As scaling becomes increasingly difficult, 3D integration has emerged as a viable alternative to achieve the requisite bandwidth and power efficiency challenges. However mechanical stress induced by the through silicon vias (TSV) is one of the key constraints in the 3D flow that must be controlled in order to preserve the integrity of front end devices. For the first time an extended and comprehensive...
3D integration has the potential to alleviate the performance limitations that CMOS scaling is facing provided that it preserves the integrity of both front end and back end devices and constituting materials. The impact of wafer thinning and of the proximity of through silicon via on active devices, back end structures, ring oscillators and mixed signal circuit are reported for the first time for...
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