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An exemplified calculation of migration effects was carried out for a via structure of 32nm node dimensions with wide lines. In the mechanical simulation the process-induced stress was considered in the simulations. The mass flux divergence was determined using a user routine which allows the calculation of migration effects under EM and SM load. The investigated cases show a very good correlation between simulation and measurements from literature. Additional the influence of new barrier materials like Ruthenium, as well as different dielectrics on the thermal-electrical mechanical behaviour was investigated.