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RISQuality Inspection of Flip Chip Solder Bumps Using Integrated Analytical, Numerical, and Experimental Modal Analyses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Solder bump inspection of surface mount packages has been a crucial process in the electronics manufacturing industry. A solder bump inspection system has been developed using laser ultrasound ...
Detection of Solder Bump Defects in Electronic Packages Using Local Temporal Coherence Analysis of Laser Ultrasonic Signals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Microelectronics packaging technology has evolved from through-hole and bulk configurations to surface-mount and small-profile configurations. Surface mount devices, such as flip chip packages, chip ...
Application of Suspension Bridges Stiffened by Prestressed Concrete Slabs in China
Publisher: American Society of Civil Engineers
Abstract: Four suspension bridges stiffened by prestressed concrete slabs were designed and constructed on highways in southwestern mountainous areas of China. These bridges are the first applications of its kind in China. This paper ...
Research on the Mechanism of Cathode Failure of LeadAcid Battery Under Extreme Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Leadacid batteries have the advantages of wide temperature adaptability, large discharge power, and high safety factor. It is still widely used in electrochemical energy storage systems. In order to ensure the application ...
Research on the Mechanism of Cathode Failure of Lead-Acid Battery Under Extreme Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Lead-acid batteries have the advantages of wide temperature adaptability, large discharge power, and high safety factor. It is still widely used in electrochemical energy storage systems. In order to ensure the application ...
Factors Determining the Asymmetry of ENSO
Publisher: American Meteorological Society
Abstract: AbstractA fundamental aspect of the observed ENSO is the positive asymmetry between its two phases: the strongest El Niño is stronger than the strongest La Niña. The nonlinear term in the equation for the surface ocean ...
Elastic Analysis for Defects in an Orthotropic Kirchhoff Plate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Defects such as inhomogeneities, inclusions with eigenstrains, and dislocations in an infinite orthotropic Kirchhoff plate are analyzed. These results could be applied to thin plate problems ...
Using Novel Complex-Efficient FastICA Blind Deconvolution Method for Urban Water Pipe Leak Localization in the Presence of Branch Noise
Publisher: ASCE
Abstract: Leaks in water pipelines can create many problems, such as financial loss, environmental pollution, and public health hazards. Previous scholars and engineers have researched leak detection and localization methods for ...
Sodium Oleate and Styrene-Acrylate Copolymer Emulsion-Modified Cement Mortar: Functional Combination of Physical Barrier and Hydrophobicity
Publisher: ASCE
Abstract: Styrene-acrylic emulsion (SAE)-modified mortar is typically used as an impermeable cement-based material. Although high-volume SAE-modified mortar shows excellent penetration resistance performance, this property can also ...
Board-Level Solder Joint Reliability Study of Land Grid Array Packages for RF Application Using a Laser Ultrasound Inspection System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Microelectronics packaging technology has evolved from through-hole, and bulk configuration to surface-mount, and small-profile ones. Today’s electronics industry is also transiting from SnPb to ...