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Elastic Stability of a Cantilever Beam (Rod) Supported by an Elastic Foundation, With Application to Nano-Composites
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A simple analytical (“mathematical”) predictive model is developed with an objective to establish the condition of elastic stability for a compressed cantilever beam (rod) of finite length lying ...
Predicted Response of the Die-Carrier Assembly in Flexible Electronics to the Combined Action of Tension and Bending Applied to the Carrier
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A die-carrier assembly, subjected to the external tensile forces and bending moments applied to the flexible carrier is considered. The objective of the analysis is to develop a simple, ...
On a Paradoxical Phenomenon Related to Beams on Elastic Foundation: Could External Compliant Leads Reduce the Strength of a Surface-Mounted Device?
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Compliant external electrical leads are often utilized as strain buffers in surface-mounted device technology to provide the necessary stress relief for the device, when the substrate is subjected ...
Twist-Off Testing of Solder Joint Interconnections
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Twist-off testing of solder joint interconnections is regarded by many reliability engineers in the microelectronic industry as an attractive alternative to shear-off testing. In this paper we ...
Approximate Evaluation of the Elastic Thermal Stresses in a Thin Film Fabricated on a Very Thick Circular Substrate
Publisher: The American Society of Mechanical Engineers (ASME)
Predicted Residual Bow of Thin Plastic Packages of Integrated Circuit Devices
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thin plastic packages are prone to residual bows caused by the thermal contraction mismatch of the constituent materials: silicon (chip), metal (leadframe), and epoxy (encapsulant). Since excessive ...
Nonlinear Dynamic Response of a Printed Circuit Board to Shock Loads Applied to Its Support Contour
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We evaluate the nonlinear dynamic response of a flexible printed circuit board (PCB) to the following two types of shock loads acting on its support contour: 1) suddenly applied constant ...
Can Power Cycling Life of Solder Joint Interconnections be Assessed on the Basis of Temperature Cycling Tests?
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We discuss how temperature cycling test conditions could be modified to be used for a tentative evaluation of the fatigue life of solder joint interconnections in surface mounted devices subjected ...
Calculated Interfacial Stresses in Elongated Bimaterial Plates Subjected to Bending
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this analysis we suggest a simple engineering method for the evaluation of the interfacial stresses in elongated bimaterial plates subjected to bending. The taken approach enables one to ...
Analytical Modeling in Electronic Packaging Structures: Its Merits, Shortcomings and Interaction With Experimental and Numerical Techniques
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We discuss the role of theoretical and, in particular, analytical modeling in mechanical problems for electronic packaging, including requirements for a feasible theoretical model, how such a ...
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