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Search Publications by: Ran Tao (Assoc)

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Displaying 1 - 25 of 29

Advanced Characterization of the Cure Kinetics of a Liquid Encapsulant

June 26, 2025
Author(s)
Anthony Kotula, Ran Tao, Jianwei Tu, Young Lee, Gale Holmes
Liquid encapsulants are versatile packaging materials that provide electrical insulation and mechanical protection for microelectronic devices. As more advanced encapsulants are formulated to address modern packaging needs, advanced characterization

Advanced Metrology Suite for Linking Residual Stress to Fundamental Properties of Thermoset Packaging Materials

June 26, 2025
Author(s)
Polette Centellas, Stian Romberg, Ran Tao, Alexander Landauer, Karl Schoch, Huong Giang Nguyen, Gale Holmes, Gery Stafford, Christopher Soles
Residual stresses inevitably develop in thermosetting materials used for semiconductor packaging during the curing process and in service. Understanding the development of these deleterious stresses is necessary for improving predictive models and

Connecting Molecular Exchange Dynamics to Stress Relaxation in Phase-Separated Dynamic Covalent Networks

January 22, 2024
Author(s)
Neil Dolinski, Ran Tao, Nicholas Boynton, Anthony Kotula, Charlie Lindberg, Kyle Petersen, Aaron M. Forster, Stuart Rowan
A suite of phase separated dynamic covalent networks based on highly tunable dynamic benzalcyanoacetate (BCA) thia-Michael acceptors are investigated. In situ kinetic studies on small molecule model systems are used in conjunction with macroscopic

Temperature-insensitive silicone composites as ballistic witness materials: the impact of water content on the thermophysical properties

July 28, 2021
Author(s)
Ran Tao, Fan Zhang, Huong Giang Nguyen, Philip Bernstein, Amanda L. Forster, Randy Mrozek, Aaron M. Forster
In this work, different formulations of a room-temperature silicone composite backing material (SCBM) composed of polydimethylsiloxane (PDMS), fumed silica and corn starch were investigated using different characterization techniques, i.e., differential

Calibration Procedures for Orthogonal Superposition Rheology

November 18, 2020
Author(s)
Ran Tao, Aaron M. Forster
Orthogonal superposition (OSP) rheology is an advanced rheological technique that involves superimposing a small-amplitude oscillatory shear deformation orthogonal to a primary shear flow. This technique allows the measurement of structural dynamics of

Multiscale polymer dynamics in hierarchical carbon nanotube reinforced glass fiber composites

June 5, 2019
Author(s)
Ajay Krishnamurthy, Ran Tao, Erkan Senses, Sagar Doshi, Erik Thostenson, Faraz Burni, Bharath Natarajan, Donald L. Hunston, Amanda L. Forster, Aaron M. Forster
Carbon-nanotube (CNT) grafted glass fiber reinforced epoxy nanocomposites (GFRP) present a hierarchy of stiffness (GPa to MPa) and lengths (µm to nm) scales at the fiber-matrix interphase. The contribution of interfacial CNT networks to the local and bulk
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