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Low-temperature Cu–Cu bonding utilizing pillar and concave on silicon substrate with and without polymer layer is successfully implemented at 200 °C under atmospheric pressure. Finite-element method (FEM) simulations on stress and deformation generated during bonding process are also presented in order to discuss their influence on bonding result of several pillar diameters and of concave sidewall...
A new methodology to measure the product-like AC stress of metal critical peak current was implemented in 16nm High-K Metal Gate (HKMG) FINFET process. Traditional TLP tester can only generate minimum 1ns pulse width stress, which is still in thermal diffusion metal burn out regime. The proposed method can generate minimum pulse width of 100ps stress waveform through on-die tunable pulse-width generator...
In this paper, finite element method (FEM) simulations are carried out with pillar-concave structure using silicon substrate, silicon substrate with polyimide (PI) and with polybenzoxazole (PBO) for realization of Cu-Cu bonding at low temperature. Parameters of bonding temperature, pillar diameter, concave sidewall angle, and multilayer of concave structure are all considered in simulation. In addition,...
Along with the rapid development of urbanization and industrialization in China, the vast rural areas in China, especially in developed regions, is confronted with new development bottleneck and confusion. Under such circumstance, universal attention has been paid to urban-rural integrated planning as an effective way to promote positive interaction between urban and rural areas as well as a new perspective...
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