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In this paper, we present test structures and measurement techniques that enable the extraction of the significance of the thermal–mechanical stress in 3D-stacked integrated circuit technology. Heaters and integrated diodes have been used to determine the impact of hotspots in 3-D systems. The results obtained showed that in 3-D case, the peak temperature of a hotspot is three times higher compared...
In this paper we present test structures and measurement techniques that enable extraction of significance of effects expected in 3D TSV technologies. The DAC test structure is optimized to detect Ion changes down to 0.5% due to TSV proximity, TSV orientation, thermal hotspots and wafer thinning/stacking process. The results obtained from the stand-alone MOS devices and the DAC structure clearly indicate...
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