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RISStudy on BEOL Failures in a Chip by Shear Tests of Copper Pillar Bumps
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A chip with 40 nm technology node and beyond generally incorporates low-k/ultra-low-k (LK/ULK) dielectric materials and copper traces in the back end of line (BEOL) to improve its electrical performance. Owing to the fragile ...
Analysis of Lateral Slippage Mechanism and Behavior for Curved Continuous Bridge
Publisher: American Society of Civil Engineers
Abstract: Because of the lack of sophisticated theories of analysis and design, the breakage of curved bridges is often reported recently. Based on the conclusions of dominant cause analysis, the mechanism, process and behavior of ...
Dependence of Gas Collection Efficiency on Leachate Level at Wet Municipal Solid Waste Landfills and Its Improvement Methods in China
Publisher: American Society of Civil Engineers
Abstract: Landfill gas (LFG) collection efficiency is low at many municipal solid waste (MSW) landfills in China. The relevant mechanism and potential solution for this problem are studied through laboratory gas permeability tests ...
Gas Pressure Model for Layered Municipal Solid Waste Landfills
Publisher: American Society of Civil Engineers
Abstract: A mathematical model for calculating gas pressure profiles in layered landfill systems is presented. Solutions to scenarios considering a zero-pressure top boundary condition and a zero gas flux or fixed gas pressure bottom ...
Linear and Nonlinear Viscoelastic Arterial Wall Models: Application on Animals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work deals with the viscoelasticity of the arterial wall and its influence on the pulse waves. We describe the viscoelasticity by a nonlinear Kelvin–Voigt model in which the coefficients are fitted using experimental ...
Numerical Simulation of the Temperature Field and Deformation of Subgrade for Sunny-Shady Slopes in a Seasonal Frozen Region
Publisher: American Society of Civil Engineers
Abstract: The second and third types of boundary conditions were mixed to simulate the change rule for the subgrade temperature field under the actual climate condition in a seasonal frozen region. The temperature difference between ...
Analytical Form-Finding for Highly Symmetric and Super-Stable Configurations of Rhombic Truncated Regular Polyhedral Tensegrities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Tensegrities have exhibited great importance and numerous applications in many mechanical, aerospace, and biological systems, for which symmetric configurations are preferred as the tensegrity prototypes. Besides the ...
Research on Parking-Space Occupancy Recognition Based on MobileNet and Intelligent Parking Guidance Strategy
Publisher: ASCE
Abstract: In order to solve the problem that parking spaces are hard to find in expressway service areas and to provide accurate parking space information and effective parking guidance, a strategy of parking-space occupancy recognition ...
Interplay of Industrial Transformation, Diversified Governance, and Talent Gathering on the Ruralization of China
Publisher: American Society of Civil Engineers
Abstract: This paper examines the evolution from urbanization to ruralization in China, highlighting the role of national strategies in promoting the coordinated development of urban and rural areas. By introducing the concept of ...
Reliability Assessment of Wafer Level Packages With Novel FeNi Under Bump Metallization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: FeNi alloy is considered a possible substitute for Cu as under bump metallization (UBM) in wafer level package (WLP) since it forms very thin intermetallic compound (IMC) layer with Pbfree solder in the reflow process. In ...